Revert "Adds workflow for assigning DIY docs PR/issues openers" (#58018)

.github/workflows/assign-diy-docs.yml

@@ -1,30 +0,0 @@
-name: Assign DIY docs issues
-
-on:
-  issues:
-    types: labeled
-  workflow_call:
-
-permissions:
-  contents: read
-jobs:
-  assign_diy_docs_issues:
-    name: Assign issues labelled with "DIY docs" to the issue creator
-    if: >-
-      github.repository_owner == 'github' && github.repository != 'github/docs' &&
-      github.event.label.name == 'DIY docs'
-    runs-on: ubuntu-latest
-    steps:
-      - name: Assign to creator
-        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd
-        with:
-          script: |
-            const item = context.payload.issue;
-            const creator = item.user.login;
-            const issueNumber = item.number;
-            await github.rest.issues.addAssignees({
-              owner: context.repo.owner,
-              repo: context.repo.repo,
-              issue_number: issueNumber,
-              assignees: [creator]
-            });