[Analysis] Remove unused functions in CallGraphNode#127411

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

kazutakahirata:cleanup_001_remove_llvm_Analysis_ReplaceExternalCallEdgekazutakahirata/llvm-project:cleanup_001_remove_llvm_Analysis_ReplaceExternalCallEdgeCopy head branch name to clipboard