Code removal. The code removed from these classes must move to respective services.

app/Services/Internal/Destroy/BillDestroyService.php

@@ -0,0 +1,46 @@
+<?php
+/**
+ * BillDestroyService.php
+ * Copyright (c) 2018 thegrumpydictator@gmail.com
+ *
+ * This file is part of Firefly III.
+ *
+ * Firefly III is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Firefly III is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Firefly III. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+declare(strict_types=1);
+
+namespace FireflyIII\Services\Internal\Destroy;
+
+use Exception;
+use FireflyIII\Models\Bill;
+
+/**
+ * Class BillDestroyService
+ */
+class BillDestroyService
+{
+    /**
+     * @param Bill $bill
+     */
+    public function destroy(Bill $bill): void
+    {
+        try {
+            $bill->delete();
+        } catch (Exception $e) {
+            // don't care.
+        }
+    }
+
+}