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

Apparently, the style needs to be agreed upon first.

llvm-svn: 240390

llvm/lib/Bitcode/Reader/BitcodeReader.cpp

@@ -728,7 +728,7 @@ public:
   /// Provide fast operand accessors
   DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
 };
-} // namespace
+}
 
 // FIXME: can we inherit this from ConstantExpr?
 template <>
@@ -736,7 +736,7 @@ struct OperandTraits<ConstantPlaceHolder> :
   public FixedNumOperandTraits<ConstantPlaceHolder, 1> {
 };
 DEFINE_TRANSPARENT_OPERAND_ACCESSORS(ConstantPlaceHolder, Value)
-} // namespace llvm
+}
 
 void BitcodeReaderValueList::assignValue(Value *V, unsigned Idx) {
   if (Idx == size()) {
@@ -4612,7 +4612,7 @@ class BitcodeErrorCategoryType : public std::error_category {
     llvm_unreachable("Unknown error type!");
   }
 };
-} // namespace
+}
 
 static ManagedStatic<BitcodeErrorCategoryType> ErrorCategory;