Revert r240270 ("Fixed/added namespace ending comments using clang-tidy").

llvm-svn: 240353
diff --git a/clang/lib/CodeGen/CGExpr.cpp b/clang/lib/CodeGen/CGExpr.cpp
index 20c3c6b..1a76afa 100644
--- a/clang/lib/CodeGen/CGExpr.cpp
+++ b/clang/lib/CodeGen/CGExpr.cpp
@@ -2242,7 +2242,7 @@
   /// Runtime conditionally aborts, always need to support recovery.
   AlwaysRecoverable
 };
-} // namespace
+}
 
 static CheckRecoverableKind getRecoverableKind(SanitizerMask Kind) {
   assert(llvm::countPopulation(Kind) == 1);