move boot method into trait

Author: robert-moore96

src/CachedModel.php

@@ -26,15 +26,6 @@ public function newEloquentBuilder($query)
         return new Builder($query);
     }
 
-    public static function boot()
-    {
-        parent::boot();
-
-        static::saved(function ($instance) {
-            $instance->flushCache();
-        });
-    }
-
     public static function all($columns = ['*'])
     {
         $class = get_called_class();

src/Traits/Cachable.php

@@ -60,4 +60,11 @@ protected function makeCacheTags() : array
         return (new CacheTags($this->eagerLoad, $this->model))
             ->make();
     }
+
+    public static function bootCachable()
+    {
+        static::saved(function ($instance) {
+            $instance->flushCache();
+        });
+    }
 }