Update config.yml

Signed-off-by: Joas Schilling <213943+nickvergessen@users.noreply.github.com>

.github/ISSUE_TEMPLATE/config.yml

@@ -2,7 +2,6 @@
 # SPDX-FileCopyrightText: 2022 Álvaro Brey <alvaro.brey@nextcloud.com>
 # SPDX-FileCopyrightText: 2021 Joas Schilling <coding@schilljs.com>
 # SPDX-License-Identifier: GPL-3.0-or-later
-blank_issues_enabled: false
 contact_links:
     -   name: Community Support and Help
         url: https://help.nextcloud.com/