Reapply "[HIP][Clang] Remove __AMDGCN_WAVEFRONT_SIZE macros"#164217

ritter-x2a merged 1 commit intollvm:mainllvm/llvm-project:mainfrom

ritter-x2a:reapply-rm-wvfs-macrosritter-x2a/llvm-project:reapply-rm-wvfs-macrosCopy head branch name to clipboard