Added condition to UnityEngine dll for CI

Author: TwoTenPvP

MLAPI/MLAPI.csproj

@@ -69,7 +69,7 @@
     <Reference Include="System.Data.DataSetExtensions" />
     <Reference Include="System.Data" />
     <Reference Include="System.Xml" />
-    <Reference Include="UnityEngine, Version=0.0.0.0, Culture=neutral, processorArchitecture=MSIL">
+    <Reference Include="UnityEngine, Version=0.0.0.0, Culture=neutral, processorArchitecture=MSIL" Condition="'$(Configuration)' != 'CI'">
       <SpecificVersion>False</SpecificVersion>
       <HintPath>..\..\..\..\..\..\Program Files\Unity\Editor\Data\Managed\UnityEngine.dll</HintPath>
     </Reference>