Remove bobcat (EOL)

Author: EmilienM

.github/workflows/with-defaults.yml

@@ -25,10 +25,6 @@ jobs:
             openstack_version: "stable/2024.1"
             ubuntu_version: "22.04"
             additional_services: ""
-          - name: "bobcat"
-            openstack_version: "stable/2023.2"
-            ubuntu_version: "22.04"
-            additional_services: ""
     runs-on: ubuntu-${{ matrix.ubuntu_version }}
     name: A job to deploy devstack with defaults
     steps: