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/IPO/LoopExtractor.cpp

@@ -51,7 +51,7 @@ namespace {
       AU.addRequired<DominatorTreeWrapperPass>();
     }
   };
-} // namespace
+}
 
 char LoopExtractor::ID = 0;
 INITIALIZE_PASS_BEGIN(LoopExtractor, "loop-extract",
@@ -183,7 +183,7 @@ namespace {
 
     bool runOnModule(Module &M) override;
   };
-} // namespace
+}
 
 char BlockExtractorPass::ID = 0;
 INITIALIZE_PASS(BlockExtractorPass, "extract-blocks",