[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 `openmp-clang-x86_64-linux-debian` running on `gribozavr4` while building `llvm` at step 5 "compile-openmp".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/6/builds/1662

Here is the relevant piece of the build log for the reference:
```
Step 5 (compile-openmp) failure: build (failure)
...
34.255 [574/24/4643] Linking CXX static library lib/libclangToolingInclusionsStdlib.a
34.256 [574/23/4644] Linking CXX static library lib/libclangToolingASTDiff.a
34.260 [574/22/4645] Linking CXX static library lib/libLLVMOrcDebugging.a
34.264 [574/21/4646] Linking CXX static library lib/libclangASTMatchers.a
34.265 [572/22/4647] Linking CXX static library lib/libclangInstallAPI.a
34.266 [572/21/4648] Linking CXX static library lib/libLLVMExegesis.a
34.316 [572/20/4649] Linking CXX static library lib/libclangAnalysis.a
34.324 [570/21/4650] Building OCaml library llvm_passbuilder
34.334 [569/21/4651] Linking CXX executable bin/clang-format
34.343 [569/20/4652] Linking CXX executable bin/llvm-cgdata
FAILED: bin/llvm-cgdata 
: && /usr/bin/clang++ -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)
34.345 [569/19/4653] Linking CXX static library lib/libclangAnalysisFlowSensitive.a
34.355 [569/18/4654] Linking CXX static library lib/libclangDynamicASTMatchers.a
34.403 [569/17/4655] Linking CXX executable bin/lli-child-target
34.420 [569/16/4656] Linking CXX executable bin/clang-offload-bundler
34.424 [569/15/4657] Building OCaml documentation for llvm_passbuilder
34.481 [569/14/4658] Linking CXX executable bin/llvm-link
34.550 [569/13/4659] Linking CXX static library lib/libclangSema.a
34.979 [569/12/4660] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVISelDAGToDAG.cpp.o
35.193 [569/11/4661] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVVectorPeephole.cpp.o
35.263 [569/10/4662] Linking CXX executable bin/llvm-extract
37.140 [569/9/4663] Building CXX object lib/CodeGen/AsmPrinter/CMakeFiles/LLVMAsmPrinter.dir/AsmPrinter.cpp.o
39.450 [569/8/4664] Building CXX object lib/LTO/CMakeFiles/LLVMLTO.dir/LTO.cpp.o
42.949 [569/7/4665] Building AMDGPUGenAsmWriter.inc...
45.249 [569/6/4666] Building AMDGPUGenGlobalISel.inc...
46.201 [569/5/4667] Building AMDGPUGenAsmMatcher.inc...
46.610 [569/4/4668] Building AMDGPUGenDAGISel.inc...
49.344 [569/3/4669] Building AMDGPUGenInstrInfo.inc...
53.572 [569/2/4670] Building AMDGPUGenRegisterBank.inc...
55.770 [569/1/4671] Building AMDGPUGenRegisterInfo.inc...
ninja: build stopped: subcommand failed.

```

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