Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC)

Apparently, the style needs to be agreed upon first.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240390 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/CodeGen/Passes.h

@@ -637,7 +637,7 @@ namespace llvm {
   /// createForwardControlFlowIntegrityPass - This pass adds control-flow
   /// integrity.
   ModulePass *createForwardControlFlowIntegrityPass();
-} // namespace llvm
+} // End llvm namespace
 
 /// Target machine pass initializer for passes with dependencies. Use with
 /// INITIALIZE_TM_PASS_END.