remove dispatch to packaging repo (#852)

.github/workflows/dispatch_test_debpkg.yaml

@@ -1,28 +0,0 @@
-name: Dispatch to deb pkg repo for tests
-
-on:
-  push:
-    branches: [ master ]
-    paths-ignore:
-      - 'docs/**'
-      - 'mkdocs.yml'
-      - 'README.md'
-  pull_request:
-    branches: [ master ]
-    paths-ignore:
-      - 'docs/**'
-      - 'mkdocs.yml'
-      - 'README.md'
-
-jobs:
-  dispatch:
-    name: dispatch to deb pkg repo
-    runs-on: ubuntu-latest
-    steps:
-      - name: Repository Dispatch
-        uses: peter-evans/repository-dispatch@v1
-        with:
-          token: ${{ secrets.DISPATCH_TOKEN }}
-          event-type: test_package_from_master
-          repository: crowdsecurity/packaging
-          client-payload: '{"branch": "${{ github.ref }}"}'