Remove unused translations

app/soapbox/features/account/components/header.js

@@ -62,8 +62,6 @@ const messages = defineMessages({
   promoteToModerator: { id: 'admin.users.actions.promote_to_moderator', defaultMessage: 'Promote @{name} to a moderator' },
   demoteToModerator: { id: 'admin.users.actions.demote_to_moderator', defaultMessage: 'Demote @{name} to a moderator' },
   demoteToUser: { id: 'admin.users.actions.demote_to_user', defaultMessage: 'Demote @{name} to a regular user' },
-  subscribe: { id: 'account.subscribe', defaultMessage: 'Subscribe to notifications from @{name}' },
-  unsubscribe: { id: 'account.unsubscribe', defaultMessage: 'Unsubscribe to notifications from @{name}' },
   suggestUser: { id: 'admin.users.actions.suggest_user', defaultMessage: 'Suggest @{name}' },
   unsuggestUser: { id: 'admin.users.actions.unsuggest_user', defaultMessage: 'Unsuggest @{name}' },
 });