Move extension methods in core project to Umbraco.Extensions

src/Umbraco.Infrastructure/Persistence/Repositories/Implement/EntityRepositoryBase.cs

@@ -3,7 +3,6 @@ using System.Collections.Generic;
 using System.Linq;
 using Microsoft.Extensions.Logging;
 using NPoco;
-using Umbraco.Cms.Core;
 using Umbraco.Cms.Core.Cache;
 using Umbraco.Cms.Core.Models.Entities;
 using Umbraco.Cms.Core.Persistence;
@@ -12,10 +11,10 @@ using Umbraco.Cms.Core.Scoping;
 using Umbraco.Core.Cache;
 using Umbraco.Core.Persistence.Querying;
 using Umbraco.Core.Scoping;
+using Umbraco.Extensions;
 
 namespace Umbraco.Core.Persistence.Repositories.Implement
 {
-
     /// <summary>
     /// Provides a base class to all <see cref="IEntity"/> based repositories.
     /// </summary>