chore(ci): remove PR title validation action (#62)

.github/workflows/pr-title.yml

@@ -1,25 +0,0 @@
-name: PR Title
-on:
-  pull_request:
-    branches:
-      - "*"
-    types:
-      - opened
-      - reopened
-      - edited
-      - synchronize
-
-jobs:
-  main:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: aslafy-z/[email protected]
-        # continue-on-error: true
-        id: title-check
-        with:
-          success-state: PR title is valid
-          failure-state: "PR title does not follow the conventional commit spec: https://www.conventionalcommits.org/en/v1.0.0/"
-          context-name: pr-title
-          preset: conventional-changelog-angular@latest
-        env:
-          GITHUB_TOKEN: ${{ github.token }}