[llvm] [llvm-cgdata] Remove `GENERATE_DRIVER` option (PR #100066)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `llvm-clang-x86_64-expensive-checks-debian` running on `gribozavr4` while building `llvm` at step 5 "build-unified-tree".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/16/builds/2226

Here is the relevant piece of the build log for the reference:
```
Step 5 (build-unified-tree) failure: build (failure)
...
37.896 [648/19/3253] Building CXX object tools/lld/Common/CMakeFiles/lldCommon.dir/Strings.cpp.o
37.897 [648/18/3254] Building CXX object tools/lld/Common/CMakeFiles/lldCommon.dir/TargetOptionsCommandFlags.cpp.o
37.898 [648/17/3255] Building CXX object tools/lld/Common/CMakeFiles/lldCommon.dir/Timer.cpp.o
37.929 [648/16/3256] Linking CXX executable bin/verify-uselistorder
37.930 [648/15/3257] Linking CXX static library lib/libLLVMPasses.a
37.955 [646/16/3258] Linking CXX static library lib/libLLVMGlobalISel.a
37.986 [646/15/3259] Linking CXX static library lib/libLLVMOrcJIT.a
37.998 [643/17/3260] Linking CXX static library lib/libLLVMOrcDebugging.a
38.006 [643/16/3261] Linking CXX static library lib/libLLVMExegesis.a
38.078 [643/15/3262] Linking CXX executable bin/llvm-cgdata
FAILED: bin/llvm-cgdata 
: && /usr/bin/clang++ -U_GLIBCXX_DEBUG -fPIC -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG -Wl,--gc-sections tools/llvm-cgdata/CMakeFiles/llvm-cgdata.dir/llvm-cgdata.cpp.o -o bin/llvm-cgdata  -Wl,-rpath,"\$ORIGIN/../lib:"  lib/libLLVMCodeGen.a  lib/libLLVMCodeGenData.a  lib/libLLVMCore.a  lib/libLLVMObject.a  lib/libLLVMSupport.a  -lpthread  lib/libLLVMBitWriter.a  lib/libLLVMCodeGenTypes.a  lib/libLLVMObjCARCOpts.a  lib/libLLVMScalarOpts.a  lib/libLLVMAggressiveInstCombine.a  lib/libLLVMInstCombine.a  lib/libLLVMTarget.a  lib/libLLVMTransformUtils.a  lib/libLLVMAnalysis.a  lib/libLLVMProfileData.a  lib/libLLVMSymbolize.a  lib/libLLVMDebugInfoPDB.a  lib/libLLVMDebugInfoMSF.a  lib/libLLVMDebugInfoBTF.a  lib/libLLVMDebugInfoDWARF.a  lib/libLLVMObject.a  lib/libLLVMIRReader.a  lib/libLLVMBitReader.a  lib/libLLVMAsmParser.a  lib/libLLVMCore.a  lib/libLLVMRemarks.a  lib/libLLVMBitstreamReader.a  lib/libLLVMMCParser.a  lib/libLLVMMC.a  lib/libLLVMDebugInfoCodeView.a  lib/libLLVMTextAPI.a  lib/libLLVMBinaryFormat.a  lib/libLLVMTargetParser.a  lib/libLLVMSupport.a  lib/libLLVMDemangle.a  -lrt  -ldl  -lpthread  -lm && :
/usr/bin/../lib/gcc/x86_64-linux-gnu/10/../../../x86_64-linux-gnu/crt1.o:function _start: error: undefined reference to 'main'
clang: error: linker command failed with exit code 1 (use -v to see invocation)
38.143 [643/14/3263] Linking CXX executable bin/lli-child-target
38.298 [643/13/3264] Linking CXX executable bin/llvm-link
38.698 [643/12/3265] Building CXX object tools/lld/Common/CMakeFiles/lldCommon.dir/Version.cpp.o
38.926 [643/11/3266] Building OCaml documentation for llvm
39.058 [643/10/3267] Linking CXX executable bin/llvm-extract
42.113 [643/9/3268] Building CXX object lib/CodeGen/AsmPrinter/CMakeFiles/LLVMAsmPrinter.dir/AsmPrinter.cpp.o
45.477 [643/8/3269] Building AMDGPUGenAsmWriter.inc...
45.950 [643/7/3270] Building AMDGPUGenGlobalISel.inc...
46.515 [643/6/3271] Building CXX object lib/LTO/CMakeFiles/LLVMLTO.dir/LTO.cpp.o
47.366 [643/5/3272] Building AMDGPUGenDAGISel.inc...
50.150 [643/4/3273] Building AMDGPUGenInstrInfo.inc...
53.909 [643/3/3274] Building AMDGPUGenRegisterBank.inc...
56.622 [643/2/3275] Building AMDGPUGenRegisterInfo.inc...
65.044 [643/1/3276] Building AMDGPUGenAsmMatcher.inc...
ninja: build stopped: subcommand failed.

```

https://github.com/llvm/llvm-project/pull/100066