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

lib/Transforms/Scalar/ConstantProp.cpp

@@ -47,7 +47,7 @@ namespace {
       AU.addRequired<TargetLibraryInfoWrapperPass>();
     }
   };
-} // namespace
+}
 
 char ConstantPropagation::ID = 0;
 INITIALIZE_PASS_BEGIN(ConstantPropagation, "constprop",