[BOLT] Use StringRef::consume_front (NFC)#139432

kazutakahirata merged 1 commit intollvm:mainllvm/llvm-project:mainfrom

kazutakahirata:cleanup_001_StringRef_starts_with_boltkazutakahirata/llvm-project:cleanup_001_StringRef_starts_with_boltCopy head branch name to clipboard