alwaysontop: don't use the Grand Unified Logger

There are just a couple of logs in this feature, and it's a standalone bundle,
which would bloat it due to cascaded dependencis.

react/features/always-on-top/AudioMuteButton.js

 import AbstractAudioMuteButton from '../base/toolbox/components/AbstractAudioMuteButton';
 import type { Props } from '../base/toolbox/components/AbstractButton';
 
-import logger from './logger';
-
 const { api } = window.alwaysOnTop;
 
 /**
                     audioAvailable,
                     audioMuted
                 }))
-            .catch(logger.error);
+            .catch(console.error);
     }
 
     /**

react/features/always-on-top/VideoMuteButton.js

 import AbstractVideoMuteButton from '../base/toolbox/components/AbstractVideoMuteButton';
 import type { Props } from '../base/toolbox/components/AbstractButton';
 
-import logger from './logger';
-
 const { api } = window.alwaysOnTop;
 
 /**
                     videoAvailable,
                     videoMuted
                 }))
-            .catch(logger.error);
+            .catch(console.error);
     }
 
     /**

react/features/always-on-top/logger.js

-import { getLogger } from '../base/logging/functions';
-
-export default getLogger('features/always-on-top');