MNT: Remove issue auto-assignee (#456)

Author: rdbisme

.github/ISSUE_TEMPLATE/bug_report.md

@@ -3,15 +3,14 @@ name: Bug report
 about: Create a report to help us improve
 title: "[BUG]"
 labels: bug
-assignees: qwhelan
-
 ---
 
 **Describe the bug**
 A clear and concise description of what the bug is.
 
 **To Reproduce**
 To assist in reproducing the bug, please include the following:
+
 1. Command/code being executed
 2. Python version and OS
 3. `pip` version