Merge pull request #10922 from usm4n/5.1

[5.1] Use laravel's log writer class instead of monolog.

Author: taylorotwell

src/Illuminate/Foundation/Bootstrap/ConfigureLogging.php

@@ -28,13 +28,6 @@ public function bootstrap(Application $app)
         } else {
             $this->configureHandlers($app, $log);
         }
-
-        // Next, we will bind a Closure that resolves the PSR logger implementation
-        // as this will grant us the ability to be interoperable with many other
-        // libraries which are able to utilize the PSR standardized interface.
-        $app->bind('Psr\Log\LoggerInterface', function ($app) {
-            return $app['log']->getMonolog();
-        });
     }
 
     /**