Remove bug label for bug report issue template

The label is redunant as we have already the "bug" issue tpye.

Author: tomschr

.github/ISSUE_TEMPLATE/bug-report.yml

@@ -1,6 +1,5 @@
 name: Bug Report
 description: Report a reproducible bug or unexpected behavior.
-labels: [bug]
 assignees: [tomschr]
 type: bug