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

Apparently, the style needs to be agreed upon first.

llvm-svn: 240390
diff --git a/llvm/lib/Linker/LinkModules.cpp b/llvm/lib/Linker/LinkModules.cpp
index f1ce23f..f090680 100644
--- a/llvm/lib/Linker/LinkModules.cpp
+++ b/llvm/lib/Linker/LinkModules.cpp
@@ -99,7 +99,7 @@
 
   bool areTypesIsomorphic(Type *DstTy, Type *SrcTy);
 };
-} // namespace
+}
 
 void TypeMapTy::addTypeMapping(Type *DstTy, Type *SrcTy) {
   assert(SpeculativeTypes.empty());
@@ -507,7 +507,7 @@
   void linkNamedMDNodes();
   void stripReplacedSubprograms();
 };
-} // namespace
+}
 
 /// The LLVM SymbolTable class autorenames globals that conflict in the symbol
 /// table. This is good for all clients except for us. Go through the trouble