Remove default tag for schema filter, it is added for each connection dynamically

Author: tobias-93

config/services.xml

@@ -148,7 +148,7 @@
 
         <service id="doctrine_migrations.schema_filter_listener" class="Doctrine\Bundle\MigrationsBundle\EventListener\SchemaFilterListener">
             <tag name="kernel.event_listener" event="console.command" method="onConsoleCommand" />
-            <tag name="doctrine.dbal.schema_filter" />
+<!--            <tag name="doctrine.dbal.schema_filter" /> This tag is dynamically added for each connection-->
         </service>
 
     </services>