Delete .github/workflows/migration.yml

This workflow file is not needed anymore

Signed-off-by: Fran Mulero <francisco-jose.mulero@broadcom.com>

.github/workflows/migration.yml

@@ -1,17 +0,0 @@
-# Copyright VMware, Inc.
-# SPDX-License-Identifier: APACHE-2.0
-
-name: '[Support] Cards migration'
-on: [ workflow_dispatch ]
-permissions: {}
-jobs:
-  call-migration-workflow:
-    uses: bitnami/support/.github/workflows/migrate-reusable.yml@main
-    with:
-      organization: bitnami
-      legacy_project_board_name: Support
-      new_project_number: 4
-      repo: ${{ github.event.repository.name }}
-    secrets:
-      # This token should have access to both projects and at least read:project permissions
-      token: ${{ secrets.MIGRATION_TOKEN }}