Fix up the PIREP field CRUD code

app/Database/migrations/2017_06_28_195426_create_pirep_tables.php

@@ -84,7 +84,6 @@ class CreatePirepTables extends Migration
             $table->bigIncrements('id');
             $table->string('name', 50);
             $table->boolean('required')->default(false);
-            $table->timestamps();
         });
 
         Schema::create('pirep_field_values', function (Blueprint $table) {

app/Http/Controllers/Admin/PirepFieldController.php

@@ -107,11 +107,6 @@ class PirepFieldController extends BaseController
 
     /**
      * Update the specified PirepField in storage.
-     *
-     * @param  int              $id
-     * @param UpdatePirepFieldRequest $request
-     *
-     * @return Response
      */
     public function update($id, UpdatePirepFieldRequest $request)
     {

app/Models/PirepField.php

@@ -10,31 +10,19 @@ namespace App\Models;
 class PirepField extends BaseModel
 {
     public $table = 'pirep_fields';
+    public $timestamps = false;
 
-    public $fillable
-        = [
-            'name',
-            'required',
-        ];
+    public $fillable = [
+        'name',
+        'required',
+    ];
 
-    /**
-     * The attributes that should be casted to native types.
-     *
-     * @var array
-     */
-    protected $casts
-        = [
-            'name'     => 'string',
-            'required' => 'integer',
-        ];
+    protected $casts = [
+        'name'     => 'string',
+        'required' => 'boolean',
+    ];
 
-    /**
-     * Validation rules
-     *
-     * @var array
-     */
-    public static $rules
-        = [
-            'name' => 'required',
-        ];
+    public static $rules = [
+        'name' => 'required',
+    ];
 }