Removing Authntication SDK dll reference

Author: akshunyaInfy

cybersource-rest-client-dotnet.csproj

@@ -38,9 +38,6 @@ OpenAPI spec version: 0.0.1
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="AuthenticationSdk">
-      <HintPath>..\..\..\CyberSource_Authentication_SDK_dotNet\src\References\AuthenticationSdk\AuthenticationSdk\bin\Debug\AuthenticationSdk.dll</HintPath>
-    </Reference>
     <Reference Include="Newtonsoft.Json, Version=11.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
       <HintPath>packages\Newtonsoft.Json.11.0.2\lib\net45\Newtonsoft.Json.dll</HintPath>
       <Private>True</Private>