[clang-tidy] Remove obsolete checker google-runtime-references

The rules which is the base of this checker is removed from the
//Google C++ Style Guide// in May:
[[ google/styleguide#553 | Update C++ styleguide ]].
Now this checker became obsolete.

Differential Revision: https://reviews.llvm.org/D88831

Author: Adam Balogh

clang-tools-extra/clang-tidy/google/CMakeLists.txt

@@ -16,7 +16,6 @@ add_clang_library(clangTidyGoogleModule
   GlobalVariableDeclarationCheck.cpp
   GoogleTidyModule.cpp
   IntegerTypesCheck.cpp
-  NonConstReferences.cpp
   OverloadedUnaryAndCheck.cpp
   TodoCommentCheck.cpp
   UnnamedNamespaceInHeaderCheck.cpp

clang-tools-extra/clang-tidy/google/GoogleTidyModule.cpp

@@ -23,7 +23,6 @@
 #include "GlobalNamesInHeadersCheck.h"
 #include "GlobalVariableDeclarationCheck.h"
 #include "IntegerTypesCheck.h"
-#include "NonConstReferences.h"
 #include "OverloadedUnaryAndCheck.h"
 #include "TodoCommentCheck.h"
 #include "UnnamedNamespaceInHeaderCheck.h"
@@ -63,8 +62,6 @@ class GoogleModule : public ClangTidyModule {
         "google-runtime-int");
     CheckFactories.registerCheck<runtime::OverloadedUnaryAndCheck>(
         "google-runtime-operator");
-    CheckFactories.registerCheck<runtime::NonConstReferences>(
-        "google-runtime-references");
     CheckFactories
         .registerCheck<readability::AvoidUnderscoreInGoogletestNameCheck>(
             "google-readability-avoid-underscore-in-googletest-name");

clang-tools-extra/clang-tidy/google/NonConstReferences.cpp

@@ -120,6 +120,9 @@ Changes in existing checks
   Added an option `GetConfigPerFile` to support including files which use
   different naming styles.
 
+- Removed `google-runtime-references` check because the rule it checks does
+  not exist in the Google Style Guide anymore.
+
 Improvements to include-fixer
 -----------------------------