Fix unix project

Author: Ben Russell

src/Microsoft.Data.SqlClient/netcore/src/Microsoft.Data.SqlClient.csproj

@@ -816,8 +816,7 @@
     <Compile Include="$(CommonSourceRoot)Microsoft\Data\ProviderBase\DbConnectionPoolIdentity.Unix.cs">
       <Link>Microsoft\Data\ProviderBase\DbConnectionPoolIdentity.Unix.cs</Link>
     </Compile>
-    
-    <Compile Include="Interop\SNINativeMethodWrapper.Unix.cs" />
+
     <Compile Include="Microsoft\Data\Sql\SqlDataSourceEnumerator.Unix.cs" />
     <Compile Include="Microsoft\Data\SqlClient\LocalDBAPI.Unix.cs" />
     <Compile Include="Microsoft\Data\SqlClient\PacketHandle.Unix.cs" />