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/Bitcode/ReaderWriter.h

@@ -166,7 +166,7 @@ namespace llvm {
     }
   };
 
-} // namespace llvm
+} // End llvm namespace
 
 namespace std {
 template <> struct is_error_code_enum<llvm::BitcodeError> : std::true_type {};