issue_template: remove assignees

Needless spam and doesn't really make sense to default to repo
maintainers. Also, clearly hasn't been utilized for a long time.

Signed-off-by: Austin Horstman <khaneliman12@gmail.com>

.github/ISSUE_TEMPLATE/issue.yaml

@@ -3,10 +3,6 @@ description: File a bug/issue
 title: 'bug: '
 labels: [bug, triage]
 
-# We cannot use nix-community/home-manager
-# See https://github.com/dear-github/dear-github/issues/170
-assignees: [rycee, berbiche]
-
 body:
 - type: checkboxes
   attributes: