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/ProfileData/CoverageMapping.cpp

@@ -350,7 +350,7 @@ public:
     return Segments;
   }
 };
-} // namespace
+}
 
 std::vector<StringRef> CoverageMapping::getUniqueSourceFiles() const {
   std::vector<StringRef> Filenames;
@@ -521,7 +521,7 @@ class CoverageMappingErrorCategoryType : public std::error_category {
     llvm_unreachable("A value of coveragemap_error has no message.");
   }
 };
-} // namespace
+}
 
 static ManagedStatic<CoverageMappingErrorCategoryType> ErrorCategory;