Remove leftover curated feed entities (#7040)

Progress on NuGet/Engineering#2353

Author: joelverhagen

src/NuGet.Services.Entities/CuratedFeed.cs

@@ -50,8 +50,6 @@
     <Compile Include="Certificate.cs" />
     <Compile Include="Constants.cs" />
     <Compile Include="Credential.cs" />
-    <Compile Include="CuratedFeed.cs" />
-    <Compile Include="CuratedPackage.cs" />
     <Compile Include="Cve.cs" />
     <Compile Include="CveStatus.cs" />
     <Compile Include="Cwe.cs" />

src/NuGet.Services.Entities/CuratedPackage.cs

@@ -26,7 +26,6 @@ public class ODataV2CuratedFeedControllerFacts
 
         public class TheGetMethod
         {
-            private readonly CuratedFeed _curatedFeed;
             private readonly Package _curatedFeedPackage;
             private readonly Package _mainFeedPackage;
             private readonly FeatureConfiguration _featureConfiguration;
@@ -41,7 +40,6 @@ public class TheGetMethod
 
             public TheGetMethod()
             {
-                _curatedFeed = new CuratedFeed { Name = _curatedFeedName };
                 _curatedFeedPackage = new Package
                 {
                     PackageRegistration = new PackageRegistration