Fix a link issue which was introduced by https://github.com/llvm/llvm-project/pull/179306 when building with dylibs (with MinGW). LLVMSupport is not needed by `PythonPathSetup`. It's safe to remove it.
Fix a link issue which was introduced by https://github.com/llvm/llvm-project/pull/179306 when building with dylibs (with MinGW). LLVMSupport is not needed by `PythonPathSetup`. It's safe to remove it.