update csproj to remove unneeded dll

Author: dihan0604

src/ResourceManager/Network/Commands.Network/Commands.Network.csproj

@@ -159,9 +159,6 @@
     <Reference Include="AutoMapper.Net4">
       <HintPath>..\..\..\packages\AutoMapper.3.1.1\lib\net40\AutoMapper.Net4.dll</HintPath>
     </Reference>
-    <Reference Include="Microsoft.Azure.Management.Storage">
-      <HintPath>..\..\..\packages\Microsoft.Azure.Management.Storage.3.0.0\lib\net40\Microsoft.Azure.Management.Storage.dll</HintPath>
-    </Reference>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="ApplicationGateway\ApplicationGatewayBaseCmdlet.cs" />