[clang] [llvm] Finish deleting the le32/le64 targets (PR #98497)

[Aaron Ballman via llvm-commits]

AaronBallman wrote:

Precommit CI failure on Windows appears to be unrelated:
```
_bk;t=1720718143606******************** TEST 'lld :: ELF/basic-sparcv9.s' FAILED ********************
_bk;t=1720718143606Exit Code: 1
_bk;t=1720718143606
_bk;t=1720718143606Command Output (stdout):
_bk;t=1720718143606--
_bk;t=1720718143606# RUN: at line 2
_bk;t=1720718143606c:\ws\src\build\bin\llvm-mc.exe -filetype=obj -triple=sparc64-unknown-openbsd C:\ws\src\lld\test\ELF\basic-sparcv9.s -o C:\ws\src\build\tools\lld\test\ELF\Output\basic-sparcv9.s.tmp
_bk;t=1720718143606# executed command: 'c:\ws\src\build\bin\llvm-mc.exe' -filetype=obj -triple=sparc64-unknown-openbsd 'C:\ws\src\lld\test\ELF\basic-sparcv9.s' -o 'C:\ws\src\build\tools\lld\test\ELF\Output\basic-sparcv9.s.tmp'
_bk;t=1720718143606# note: command had no output on stdout or stderr
_bk;t=1720718143606# RUN: at line 3
_bk;t=1720718143606c:\ws\src\build\bin\ld.lld.exe C:\ws\src\build\tools\lld\test\ELF\Output\basic-sparcv9.s.tmp -o C:\ws\src\build\tools\lld\test\ELF\Output\basic-sparcv9.s.tmp2
_bk;t=1720718143606# executed command: 'c:\ws\src\build\bin\ld.lld.exe' 'C:\ws\src\build\tools\lld\test\ELF\Output\basic-sparcv9.s.tmp' -o 'C:\ws\src\build\tools\lld\test\ELF\Output\basic-sparcv9.s.tmp2'
_bk;t=1720718143606# note: command had no output on stdout or stderr
_bk;t=1720718143606# RUN: at line 4
_bk;t=1720718143606c:\ws\src\build\bin\llvm-readobj.exe --file-headers --sections -l --symbols C:\ws\src\build\tools\lld\test\ELF\Output\basic-sparcv9.s.tmp2    | c:\ws\src\build\bin\filecheck.exe C:\ws\src\lld\test\ELF\basic-sparcv9.s
_bk;t=1720718143606# executed command: 'c:\ws\src\build\bin\llvm-readobj.exe' --file-headers --sections -l --symbols 'C:\ws\src\build\tools\lld\test\ELF\Output\basic-sparcv9.s.tmp2'
_bk;t=1720718143606# note: command had no output on stdout or stderr
_bk;t=1720718143606# executed command: 'c:\ws\src\build\bin\filecheck.exe' 'C:\ws\src\lld\test\ELF\basic-sparcv9.s'
_bk;t=1720718143606# .---command stderr------------
_bk;t=1720718143606# | C:\ws\src\lld\test\ELF\basic-sparcv9.s:20:15: error: CHECK-NEXT: expected string not found in input
_bk;t=1720718143606# | # CHECK-NEXT: OS/ABI: SystemV (0x0)
_bk;t=1720718143606# |               ^
_bk;t=1720718143606# | <stdin>:12:16: note: scanning from here
_bk;t=1720718143606# |  FileVersion: 1
_bk;t=1720718143606# |                ^
_bk;t=1720718143606# | <stdin>:13:2: note: possible intended match here
_bk;t=1720718143606# |  OS/ABI: OpenBSD (0xC)
_bk;t=1720718143606# |  ^
_bk;t=1720718143606# | 
_bk;t=1720718143606# | Input file: <stdin>
_bk;t=1720718143606# | Check file: C:\ws\src\lld\test\ELF\basic-sparcv9.s
_bk;t=1720718143606# | 
_bk;t=1720718143606# | -dump-input=help explains the following input dump.
_bk;t=1720718143606# | 
_bk;t=1720718143606# | Input was:
_bk;t=1720718143606# | <<<<<<
_bk;t=1720718143606# |            .
_bk;t=1720718143606# |            .
_bk;t=1720718143606# |            .
_bk;t=1720718143606# |            7: ElfHeader { 
_bk;t=1720718143606# |            8:  Ident { 
_bk;t=1720718143606# |            9:  Magic: (7F 45 4C 46) 
_bk;t=1720718143606# |           10:  Class: 64-bit (0x2) 
_bk;t=1720718143606# |           11:  DataEncoding: BigEndian (0x2) 
_bk;t=1720718143606# |           12:  FileVersion: 1 
_bk;t=1720718143606# | next:20'0                    X error: no match found
_bk;t=1720718143606# |           13:  OS/ABI: OpenBSD (0xC) 
_bk;t=1720718143606# | next:20'0     ~~~~~~~~~~~~~~~~~~~~~~~
_bk;t=1720718143606# | next:20'1      ?                      possible intended match
_bk;t=1720718143606# |           14:  ABIVersion: 0 
_bk;t=1720718143606# | next:20'0     ~~~~~~~~~~~~~~~
_bk;t=1720718143606# |           15:  Unused: (00 00 00 00 00 00 00) 
_bk;t=1720718143606# | next:20'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
_bk;t=1720718143606# |           16:  } 
_bk;t=1720718143606# | next:20'0     ~~~
_bk;t=1720718143606# |           17:  Type: Executable (0x2) 
_bk;t=1720718143606# | next:20'0     ~~~~~~~~~~~~~~~~~~~~~~~~
_bk;t=1720718143606# |           18:  Machine: EM_SPARCV9 (0x2B) 
_bk;t=1720718143606# | next:20'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
_bk;t=1720718143606# |            .
_bk;t=1720718143606# |            .
_bk;t=1720718143606# |            .
_bk;t=1720718143606# | >>>>>>
_bk;t=1720718143606# `-----------------------------
_bk;t=1720718143606# error: command failed with exit status: 1
_bk;t=1720718143606
_bk;t=1720718143606--
_bk;t=1720718143606
_bk;t=1720718143606********************
```

https://github.com/llvm/llvm-project/pull/98497