Remove colon before style tag

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

src/components/MessagesList/MessagesGroup/Message/MessagePart/Mention.vue

@@ -81,7 +81,7 @@ export default {
 }
 </script>
 
-:<style lang="scss" scoped>
+<style lang="scss" scoped>
 .mention {
 	display: contents;
 	white-space: nowrap;