Merge pull request #2019 from adamtornhill/master

Removed a duplicated row for the metadata token TypeRef

src/Compilers/Core/Portable/PEWriter/MetadataWriter.cs

@@ -453,7 +453,6 @@ private ImmutableArray<int> GetRowCounts()
             rowCounts[(int)TableIndex.ClassLayout] = _classLayoutTable.Count;
             rowCounts[(int)TableIndex.Constant] = _constantTable.Count;
             rowCounts[(int)TableIndex.CustomAttribute] = _customAttributeTable.Count;
-            rowCounts[(int)TableIndex.TypeRef] = _typeRefTable.Count;
             rowCounts[(int)TableIndex.DeclSecurity] = _declSecurityTable.Count;
             rowCounts[(int)TableIndex.EncLog] = _encLogTable.Count;
             rowCounts[(int)TableIndex.EncMap] = _encMapTable.Count;