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/Bitcode/Reader/BitcodeReader.cpp b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
index 49f9ed5..c47d193 100644
--- a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
+++ b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
@@ -728,7 +728,7 @@
   /// Provide fast operand accessors
   DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
 };
-} // namespace
+}
 
 // FIXME: can we inherit this from ConstantExpr?
 template <>
@@ -736,7 +736,7 @@
   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 @@
     llvm_unreachable("Unknown error type!");
   }
 };
-} // namespace
+}
 
 static ManagedStatic<BitcodeErrorCategoryType> ErrorCategory;
 
diff --git a/llvm/lib/Bitcode/Writer/BitcodeWriterPass.cpp b/llvm/lib/Bitcode/Writer/BitcodeWriterPass.cpp
index c890380..3165743 100644
--- a/llvm/lib/Bitcode/Writer/BitcodeWriterPass.cpp
+++ b/llvm/lib/Bitcode/Writer/BitcodeWriterPass.cpp
@@ -41,7 +41,7 @@
       return false;
     }
   };
-} // namespace
+}
 
 char WriteBitcodePass::ID = 0;
 
diff --git a/llvm/lib/Bitcode/Writer/ValueEnumerator.cpp b/llvm/lib/Bitcode/Writer/ValueEnumerator.cpp
index 53c3a40..fbbe93f 100644
--- a/llvm/lib/Bitcode/Writer/ValueEnumerator.cpp
+++ b/llvm/lib/Bitcode/Writer/ValueEnumerator.cpp
@@ -52,7 +52,7 @@
     IDs[V].first = ID;
   }
 };
-} // namespace
+}
 
 static void orderValue(const Value *V, OrderMap &OM) {
   if (OM.lookup(V).first)
diff --git a/llvm/lib/Bitcode/Writer/ValueEnumerator.h b/llvm/lib/Bitcode/Writer/ValueEnumerator.h
index b2daa48..92d166e 100644
--- a/llvm/lib/Bitcode/Writer/ValueEnumerator.h
+++ b/llvm/lib/Bitcode/Writer/ValueEnumerator.h
@@ -203,6 +203,6 @@
   void EnumerateNamedMetadata(const Module &M);
 };
 
-} // namespace llvm
+} // End llvm namespace
 
 #endif