Let MySQL do the time logic when looking for tasks

app/Repositories/Eloquent/ScheduleRepository.php

@@ -47,19 +47,4 @@ class ScheduleRepository extends EloquentRepository implements ScheduleRepositor
             throw new RecordNotFoundException;
         }
     }
-
-    /**
-     * Return all of the schedules that should be processed.
-     *
-     * @param string $timestamp
-     * @return \Illuminate\Support\Collection
-     */
-    public function getSchedulesToProcess(string $timestamp): Collection
-    {
-        return $this->getBuilder()->with('tasks')
-            ->where('is_active', true)
-            ->where('is_processing', false)
-            ->where('next_run_at', '<=', $timestamp)
-            ->get($this->getColumns());
-    }
 }