remove release drafter

.github/release-drafter.yml

@@ -1,29 +0,0 @@
-version-template: 'v21.$MINOR.$PATCH'
-name-template: '$RESOLVED_VERSION'
-tag-template: '$RESOLVED_VERSION'
-categories:
-  - title: '🚀 Features'
-    labels:
-      - 'feature'
-      - 'enhancement'
-  - title: '🐛 Bug Fixes'
-    labels:
-      - 'fix'
-      - 'bugfix'
-      - 'bug'
-  - title: '🧰 Maintenance'
-    label: 'chore'
-change-template: '- $TITLE @$AUTHOR (#$NUMBER)'
-change-title-escapes: '\<*_&' # You can add # and @ to disable mentions, and add ` to disable code blocks.
-version-resolver:
-  minor:
-    labels:
-      - 'release'
-  patch:
-    labels:
-      - 'hotfix'
-  default: patch
-template: |
-  ## Changes
-
-  $CHANGES

.github/workflows/release-drafter.yml

@@ -1,29 +0,0 @@
-name: Release Drafter
-
-on:
-  push:
-    # branches to consider in the event; optional, defaults to all
-    branches:
-      - master
-  # pull_request event is required only for autolabeler
-  pull_request:
-    # Only following types are handled by the action, but one can default to all as well
-    types: [opened, reopened, synchronize]
-
-jobs:
-  update_release_draft:
-    runs-on: ubuntu-latest
-    steps:
-      # (Optional) GitHub Enterprise requires GHE_HOST variable set
-      #- name: Set GHE_HOST
-      #  run: |
-      #    echo "GHE_HOST=${GITHUB_SERVER_URL##https:\/\/}" >> $GITHUB_ENV
-
-      # Drafts your next Release notes as Pull Requests are merged into "master"
-      - uses: release-drafter/release-drafter@v5
-        # (Optional) specify config name to use, relative to .github/. Default: release-drafter.yml
-        # with:
-        #   config-name: my-config.yml
-        #   disable-autolabeler: true
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}