[clang] [llvm] Delete the clang-format Visual Studio plugin code (PR #108342)

[LLVM Continuous Integration via cfe-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-aarch64-sve-vls` running on `linaro-g3-04` while building `clang,llvm` at step 7 "ninja check 1".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/143/builds/2098

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 7 (ninja check 1) failure: stage 1 checked (failure)
******************** TEST 'HWAddressSanitizer-aarch64 :: TestCases/hwasan_symbolize_stack_overflow.cpp' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 1: rm -rf /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/stage1/runtimes/runtimes-bins/compiler-rt/test/hwasan/AARCH64/TestCases/Output/hwasan_symbolize_stack_overflow.cpp.tmp; mkdir /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/stage1/runtimes/runtimes-bins/compiler-rt/test/hwasan/AARCH64/TestCases/Output/hwasan_symbolize_stack_overflow.cpp.tmp
+ rm -rf /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/stage1/runtimes/runtimes-bins/compiler-rt/test/hwasan/AARCH64/TestCases/Output/hwasan_symbolize_stack_overflow.cpp.tmp
+ mkdir /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/stage1/runtimes/runtimes-bins/compiler-rt/test/hwasan/AARCH64/TestCases/Output/hwasan_symbolize_stack_overflow.cpp.tmp
RUN: at line 2: /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/stage1/./bin/clang    -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta   -gline-tables-only -fsanitize=hwaddress -fuse-ld=lld -mllvm -hwasan-globals -mllvm -hwasan-use-short-granules -mllvm -hwasan-instrument-landing-pads=0 -mllvm -hwasan-instrument-personality-functions -Wl,--build-id -g /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/llvm/compiler-rt/test/hwasan/TestCases/hwasan_symbolize_stack_overflow.cpp -o /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/stage1/runtimes/runtimes-bins/compiler-rt/test/hwasan/AARCH64/TestCases/Output/hwasan_symbolize_stack_overflow.cpp.tmp/hwasan_overflow
+ /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/stage1/./bin/clang -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta -gline-tables-only -fsanitize=hwaddress -fuse-ld=lld -mllvm -hwasan-globals -mllvm -hwasan-use-short-granules -mllvm -hwasan-instrument-landing-pads=0 -mllvm -hwasan-instrument-personality-functions -Wl,--build-id -g /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/llvm/compiler-rt/test/hwasan/TestCases/hwasan_symbolize_stack_overflow.cpp -o /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/stage1/runtimes/runtimes-bins/compiler-rt/test/hwasan/AARCH64/TestCases/Output/hwasan_symbolize_stack_overflow.cpp.tmp/hwasan_overflow
RUN: at line 3: env HWASAN_OPTIONS=disable_allocator_tagging=1:random_tags=0:fail_without_syscall_abi=0:symbolize=0 not  /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/stage1/runtimes/runtimes-bins/compiler-rt/test/hwasan/AARCH64/TestCases/Output/hwasan_symbolize_stack_overflow.cpp.tmp/hwasan_overflow 16 2>&1 | hwasan_symbolize --symbols /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/stage1/runtimes/runtimes-bins/compiler-rt/test/hwasan/AARCH64/TestCases/Output/hwasan_symbolize_stack_overflow.cpp.tmp --index | FileCheck /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/llvm/compiler-rt/test/hwasan/TestCases/hwasan_symbolize_stack_overflow.cpp --check-prefixes=CHECK,AFTER0
+ env HWASAN_OPTIONS=disable_allocator_tagging=1:random_tags=0:fail_without_syscall_abi=0:symbolize=0 not /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/stage1/runtimes/runtimes-bins/compiler-rt/test/hwasan/AARCH64/TestCases/Output/hwasan_symbolize_stack_overflow.cpp.tmp/hwasan_overflow 16
+ hwasan_symbolize --symbols /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/stage1/runtimes/runtimes-bins/compiler-rt/test/hwasan/AARCH64/TestCases/Output/hwasan_symbolize_stack_overflow.cpp.tmp --index
+ FileCheck /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/llvm/compiler-rt/test/hwasan/TestCases/hwasan_symbolize_stack_overflow.cpp --check-prefixes=CHECK,AFTER0
Could not find symbols for lib/aarch64-linux-gnu/libc.so.6
/home/tcwg-buildbot/worker/clang-aarch64-sve-vls/llvm/compiler-rt/test/hwasan/TestCases/hwasan_symbolize_stack_overflow.cpp:21:12: error: CHECK: expected string not found in input
 // CHECK: Potentially referenced stack object:
           ^
<stdin>:1:1: note: scanning from here
==684411==ERROR: HWAddressSanitizer: tag-mismatch on address 0xffffcbbffff0 at pc 0xaaaab9b681e8
^
<stdin>:10:15: note: possible intended match here
Address 0xffffcbbffff0 is located in stack of thread T0
              ^

Input file: <stdin>
Check file: /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/llvm/compiler-rt/test/hwasan/TestCases/hwasan_symbolize_stack_overflow.cpp

-dump-input=help explains the following input dump.

Input was:
<<<<<<
            1: ==684411==ERROR: HWAddressSanitizer: tag-mismatch on address 0xffffcbbffff0 at pc 0xaaaab9b681e8 
check:21'0     X~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ error: no match found
            2: READ of size 1 at 0xffffcbbffff0 tags: 01/00 (ptr/mem) in thread T0 
check:21'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            3:  #0 main in /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/llvm/compiler-rt/test/hwasan/TestCases/hwasan_symbolize_stack_overflow.cpp:19:10 
check:21'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            4:  #1 0xffffab2973f8 (/lib/aarch64-linux-gnu/libc.so.6+0x273f8) (BuildId: aa6e122fa39ae02d412afb49d75e33281fcd2805) 
check:21'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            5:  #2 0xffffab2974c8 (/lib/aarch64-linux-gnu/libc.so.6+0x274c8) (BuildId: aa6e122fa39ae02d412afb49d75e33281fcd2805) 
check:21'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            6:  #3 _start in ??:0:0 
check:21'0     ~~~~~~~~~~~~~~~~~~~~~
            7:  
check:21'0     ~
            8:  
check:21'0     ~
            9: Cause: stack tag-mismatch 
check:21'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~
...

```

</details>

https://github.com/llvm/llvm-project/pull/108342