Remove unused styles

Signed-off-by: marcin mikołajczak <git@mkljczk.pl>

app/styles/application.scss

@@ -46,7 +46,6 @@
 @import 'components/react-toggle';
 @import 'components/video-player';
 @import 'components/audio-player';
-@import 'components/profile-hover-card';
 @import 'components/filters';
 @import 'components/snackbar';
 @import 'components/admin';