Feature: Delete submission (#137)

* Feature: Delete submission

* Small polishing

---------

Co-authored-by: Julien Nahum <julien@nahum.net>

app/Http/Controllers/Forms/RecordController.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace App\Http\Controllers\Forms;
+
+use App\Http\Controllers\Controller;
+use App\Models\Forms\Form;
+use Illuminate\Http\Request;
+
+class RecordController extends Controller
+{
+    public function delete(Request $request, $id, $recordId)
+    {
+        $form = Form::findOrFail((int) $id);
+        $this->authorize('delete', $form);
+
+        $record = $form->submissions()->where('id', $recordId)->firstOrFail();
+        $record->delete();
+
+        return $this->success([
+            'message' => 'Record successfully removed.'
+        ]);
+    }
+
+}