meta: don't apply support label on bug reports

Enough users have complained about the bug label not being applied instead. If there is no label applied
this won't be complained about so often.

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,7 +1,6 @@
 ---
 name: Bug report
 about: Create a report to help us improve Oh My Zsh
-labels: 'Type: support'
 
 ---