Various code cleanup.

app/Validation/FireflyValidator.php

@@ -318,30 +318,6 @@ class FireflyValidator extends Validator
 
     }
 
-    /**
-     * @param $attribute
-     * @param $value
-     * @param $parameters
-     *
-     *
-     * @return bool
-     */
-    public function validateUniqueForUser($attribute, $value, $parameters): bool
-    {
-        $query = DB::table($parameters[0])->where($parameters[1], $value);
-        $query->where('user_id', auth()->user()->id);
-        if (isset($parameters[2])) {
-            $query->where('id', '!=', $parameters[2]);
-        }
-        $count = $query->count();
-        if ($count == 0) {
-            return true;
-        }
-
-        return false;
-
-    }
-
     /**
      * Validate an object and its unicity. Checks for encryption / encrypted values as well.
      *