Update symfony/monolog-bundle recipe

Author: codedmonkey

config/packages/monolog.yaml

@@ -10,14 +10,6 @@ when@dev:
                 path: "%kernel.logs_dir%/%kernel.environment%.log"
                 level: debug
                 channels: ["!event"]
-            # uncomment to get logging in your browser
-            # you may have to allow bigger header sizes in your Web server configuration
-            #firephp:
-            #    type: firephp
-            #    level: info
-            #chromephp:
-            #    type: chromephp
-            #    level: info
             console:
                 type: console
                 process_psr_3_messages: false
@@ -45,6 +37,7 @@ when@prod:
                 action_level: error
                 handler: nested
                 excluded_http_codes: [404, 405]
+                channels: ["!deprecation"]
                 buffer_size: 50 # How many messages should be saved? Prevent memory leaks
             nested:
                 type: stream