[gn build] Port d6c9dc3

Author: llvmgnsyncbot

llvm/utils/gn/secondary/clang-tools-extra/clang-tidy/google/BUILD.gn

@@ -24,7 +24,6 @@ static_library("google") {
     "GlobalVariableDeclarationCheck.cpp",
     "GoogleTidyModule.cpp",
     "IntegerTypesCheck.cpp",
-    "NonConstReferences.cpp",
     "OverloadedUnaryAndCheck.cpp",
     "TodoCommentCheck.cpp",
     "UnnamedNamespaceInHeaderCheck.cpp",