disable profiler by default

Author: chr-hertel

DependencyInjection/Configuration.php

@@ -149,7 +149,7 @@ public function getConfigTreeBuilder(): TreeBuilder
                 ->end()
                 ->booleanNode('enable_profiler')
                     ->info('Use profiler to calculate and visualize migration status.')
-                    ->defaultTrue()
+                    ->defaultFalse()
                 ->end()
             ->end();