Update issue template

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -1,9 +1,6 @@
 name: Report a bug
 description: Report a bug, issue or problem you have identified using the contao-component-style-manager
 labels: [bug, unconfirmed]
-assignees:
-  - doishub
-  - zoglo
 body:
   - type: checkboxes
     attributes:
@@ -38,4 +35,4 @@ body:
     attributes:
       label: Relevant log output
       description: Please copy and paste the relevant stacktrace within enabled debug-mode. This will be automatically formatted into code, so no need for backticks.
-      render: shell
+      render: shell