Clean up code.

app/Factory/PiggyBankEventFactory.php

@@ -37,18 +37,6 @@ use Log;
  */
 class PiggyBankEventFactory
 {
-    /**
-     * Constructor.
-     *
-     * @codeCoverageIgnore
-     */
-    public function __construct()
-    {
-        if ('testing' === config('app.env')) {
-            Log::warning(sprintf('%s should not be instantiated in the TEST environment!', get_class($this)));
-        }
-    }
-
     /**
      * @param TransactionJournal $journal
      * @param PiggyBank|null     $piggyBank