Completes: U4-6104 Remove SqlSyntaxContext - quite a large refactor and cleanup since the SqlSyntaxContext was used everywhere :( haven't run tests, etc... yet but the project builds now.

src/Umbraco.Core/Services/TaskService.cs

@@ -21,7 +21,7 @@ namespace Umbraco.Core.Services
         {
             using (var repo = RepositoryFactory.CreateTaskTypeRepository(UowProvider.GetUnitOfWork()))
             {
-                return repo.GetByQuery(new Query<TaskType>().Where(type => type.Alias == taskTypeAlias)).FirstOrDefault();
+                return repo.GetByQuery(repo.Query.Where(type => type.Alias == taskTypeAlias)).FirstOrDefault();
             }
         }