Removing Common.Authentication referece in Commands.Sql.csproj

Author: franktsa

src/ResourceManager/Sql/Commands.Sql/Commands.Sql.csproj

@@ -280,10 +280,6 @@
       <SpecificVersion>False</SpecificVersion>
       <HintPath>..\..\..\packages\Microsoft.Azure.Common.2.1.0\lib\net45\Microsoft.Azure.Common.dll</HintPath>
     </Reference>
-    <Reference Include="Microsoft.Azure.Common.Authentication">
-      <HintPath>..\..\..\packages\Microsoft.Azure.Common.Authentication.1.4.1-preview\lib\net45\Microsoft.Azure.Common.Authentication.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
     <Reference Include="Microsoft.Azure.Common.NetFramework, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
       <HintPath>..\..\..\packages\Microsoft.Azure.Common.2.1.0\lib\net45\Microsoft.Azure.Common.NetFramework.dll</HintPath>