Remove leading colon

Signed-off-by: Joas Schilling <coding@schilljs.com>

Author: nickvergessen

js/notifications.js

@@ -69,7 +69,7 @@ export default {
 }
 </script>
 
-:<style lang="scss" scoped>
+<style lang="scss" scoped>
 .mention {
 	display: contents;
 	white-space: nowrap;