chore: remove auto-assign GitHub Action

Issues and PRs no longer auto-assign to pedramamini

.github/workflows/auto-assign.yml

@@ -1,25 +0,0 @@
-name: Auto Assign
-
-on:
-  issues:
-    types: [opened]
-  pull_request:
-    types: [opened]
-
-jobs:
-  assign:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Assign to pedramamini
-        uses: actions/github-script@v7
-        with:
-          script: |
-            const issueNumber = context.issue?.number || context.payload.pull_request?.number;
-            if (issueNumber) {
-              await github.rest.issues.addAssignees({
-                owner: context.repo.owner,
-                repo: context.repo.repo,
-                issue_number: issueNumber,
-                assignees: ['pedramamini']
-              });
-            }