Header: remove unused import

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

@@ -5,7 +5,7 @@ import React from 'react';
 import { defineMessages, FormattedMessage, useIntl } from 'react-intl';
 import { Link, useHistory } from 'react-router-dom';
 
-import { blockAccount, followAccount, pinAccount, removeFromFollowers, unblockAccount, unmuteAccount, unpinAccount, unsubscribeAccount } from 'soapbox/actions/accounts';
+import { blockAccount, followAccount, pinAccount, removeFromFollowers, unblockAccount, unmuteAccount, unpinAccount } from 'soapbox/actions/accounts';
 import { verifyUser, unverifyUser, setDonor, removeDonor, promoteToAdmin, promoteToModerator, demoteToUser, suggestUsers, unsuggestUsers } from 'soapbox/actions/admin';
 import { launchChat } from 'soapbox/actions/chats';
 import { mentionCompose, directCompose } from 'soapbox/actions/compose';