remove sort assertion when using ObjectMonitor

Sources/ObjectiveC/NSFetchedResultsController+ObjectiveC.swift

@@ -52,6 +52,11 @@ public extension NSFetchedResultsController {
             applyFetchClauses: { fetchRequest in
                 
                 fetchClauses.forEach { $0.applyToFetchRequest(fetchRequest) }
+
+                CoreStore.assert(
+                    fetchRequest.sortDescriptors?.isEmpty == false,
+                    "An \(cs_typeName(NSFetchedResultsController)) requires a sort information. Specify from a \(cs_typeName(CSOrderBy)) clause or any custom \(cs_typeName(CSFetchClause)) that provides a sort descriptor."
+                )
             }
         )
     }