[clang-tools-extra] Remove redundant control flow statements (NFC) (#140846)

Author: kazutakahirata

clang-tools-extra/clang-tidy/readability/EnumInitialValueCheck.cpp

@@ -70,7 +70,6 @@ static void cleanInitialValue(DiagnosticBuilder &Diag,
     return;
   Diag << FixItHint::CreateRemoval(EqualLoc)
        << FixItHint::CreateRemoval(InitExprRange);
-  return;
 }
 
 namespace {

clang-tools-extra/clangd/unittests/ProjectAwareIndexTests.cpp

@@ -49,7 +49,6 @@ TEST(ProjectAware, Test) {
   C.Index.External.Location = "test";
   WithContextValue With(Config::Key, std::move(C));
   EXPECT_THAT(match(*Idx, Req), ElementsAre("1"));
-  return;
 }
 
 TEST(ProjectAware, CreatedOnce) {
@@ -80,7 +79,6 @@ TEST(ProjectAware, CreatedOnce) {
   match(*Idx, Req);
   // It is cached afterwards.
   EXPECT_EQ(InvocationCount, 1U);
-  return;
 }
 } // namespace clangd
 } // namespace clang