Remove Citadel CI

Part of Citadel reaching EOL: #1223

Signed-off-by: Addisu Z. Taddese <[email protected]>

jenkins-scripts/dsl/gz-collections.yaml

@@ -26,84 +26,6 @@
 
 spec_version: 0
 collections:
-  - name: 'citadel'
-    libs:
-      - name: gz-cmake
-        major_version: 2
-        repo:
-          current_branch: ign-cmake2
-      - name: gz-tools
-        major_version: 1
-        repo:
-          current_branch: ign-tools1
-      - name: gz-math
-        major_version: 6
-        repo:
-          current_branch: ign-math6
-      - name: gz-plugin
-        major_version: 1
-        repo:
-          current_branch: ign-plugin1
-      - name: gz-common
-        major_version: 3
-        repo:
-          current_branch: ign-common3
-      - name: gz-msgs
-        major_version: 5
-        repo:
-          current_branch: ign-msgs5
-      - name: gz-rendering
-        major_version: 3
-        repo:
-          current_branch: ign-rendering3
-      - name: sdformat
-        major_version: 9
-        repo:
-          current_branch: sdf9
-      - name: gz-fuel-tools
-        major_version: 4
-        repo:
-          current_branch: ign-fuel-tools4
-      - name: gz-transport
-        major_version: 8
-        repo:
-          current_branch: ign-transport8
-      - name: gz-gui
-        major_version: 3
-        repo:
-          current_branch: ign-gui3
-      - name: gz-sensors
-        major_version: 3
-        repo:
-          current_branch: ign-sensors3
-      - name: gz-physics
-        major_version: 2
-        repo:
-          current_branch: ign-physics2
-      - name: gz-sim
-        major_version: 3
-        repo:
-          current_branch: ign-gazebo3
-      - name: gz-launch
-        major_version: 2
-        repo:
-          current_branch: ign-launch2
-      - name: gz-citadel
-        major_version: 1
-        repo:
-          current_branch: main
-    ci:
-      configs:
-        - focal
-        - brew
-        - win_citadel
-    packaging:
-      configs:
-        - focal
-        - brew
-      linux:
-          ignore_major_version:
-            - gz-citadel
   - name: 'fortress'
     libs:
       - name: gz-cmake
@@ -531,7 +453,6 @@ ci_configs:
         - gz-sensors
     exclude:
       all:
-        - gz-citadel
         - gz-fortress
       abichecker:
         - gz-cmake
@@ -643,7 +564,6 @@ ci_configs:
     requirements:
     exclude:
       all:
-        - gz-citadel
         - gz-fortress
         - gz-harmonic
         - gz-ionic
@@ -701,36 +621,6 @@ ci_configs:
     ci_categories_enabled:
       - pr
       - stable_branches
-  # No gz-sim and gz-launch on Citadel
-  - name: win_citadel
-    system:
-      so: windows
-      distribution: windows
-      version: "10"
-      arch: amd64
-    requirements:
-    exclude:
-      all:
-        - gz-citadel
-        - gz-sim
-        - gz-launch
-    cmake_warnings_disabled:
-      - gz-cmake
-      - gz-common
-      - gz-fuel-tools
-      - gz-gui
-      - gz-math
-      - gz-msgs
-      - gz-physics
-      - gz-rendering
-      - gz-sensors
-      - gz-tools
-      - gz-transport
-      - gz-utils
-      - sdformat
-    ci_categories_enabled:
-      - pr
-      - stable_branches
 packaging_configs:
   - name: focal
     system: