Retire Sahara project

Sahara project is in inactive list since 2024.1
- https://governance.openstack.org/tc/reference/emerging-technology-and-inactive-projects.html#current-inactive-projects

and there is no leader in 2024.2 cycle (TC appointed the PTL
for this project in 4 cycles out of last 5 cycles).
- https://etherpad.opendev.org/p/2024.2-leaderless

There is no response on last call for maintainers and retirement
notification:
- https://lists.openstack.org/archives/list/openstack-discuss@lists.openstack.org/thread/24M3WQXDE2DYN3GWDFHY52FNGNIXN4N3/

Seeing project inactivities, open critical bug, and no maintainers
for this project, this commit propose to retire this project.

Change-Id: Ibaeaf19a6ff8b8e07d56d7a6f51a9f95b8f1e28c

reference/legacy.yaml

@@ -2080,6 +2080,55 @@ Release Management:
       repos:
         - openstack/release-schedule-generator
 
+sahara:
+  irc-channel: openstack-sahara
+  service: Data Processing service
+  mission: >
+    To provide a scalable data processing stack and associated management
+    interfaces.
+  url: https://wiki.openstack.org/wiki/Sahara
+  retired-on: 2024-05-10
+  deliverables:
+    python-saharaclient:
+      repos:
+        - openstack/python-saharaclient
+    sahara:
+      repos:
+        - openstack/sahara
+    sahara-dashboard:
+      repos:
+        - openstack/sahara-dashboard
+    sahara-extra:
+      repos:
+        - openstack/sahara-extra
+    sahara-image-elements:
+      repos:
+        - openstack/sahara-image-elements
+    sahara-plugin-ambari:
+      repos:
+        - openstack/sahara-plugin-ambari
+    sahara-plugin-cdh:
+      repos:
+        - openstack/sahara-plugin-cdh
+    sahara-plugin-mapr:
+      repos:
+        - openstack/sahara-plugin-mapr
+    sahara-plugin-spark:
+      repos:
+        - openstack/sahara-plugin-spark
+    sahara-plugin-storm:
+      repos:
+        - openstack/sahara-plugin-storm
+    sahara-plugin-vanilla:
+      repos:
+        - openstack/sahara-plugin-vanilla
+    sahara-tests:
+      repos:
+        - openstack/sahara-tests
+    sahara-specs:
+      repos:
+        - openstack/sahara-specs
+
 searchlight:
   retired-on: 2020-11-27
   irc-channel: openstack-searchlight

reference/projects.yaml

@@ -2331,63 +2331,6 @@ requirements:
       - name: Tony Breeds
         irc: tonyb
         email: tony@bakeyournoodle.com
-sahara:
-  ptl:
-    name: APPOINTMENT NEEDED
-    irc: No nick supplied
-    email: example@example.org
-  appointed:
-    - yoga
-    - '2023.1'
-    - '2023.2'
-    - '2024.1'
-  irc-channel: openstack-sahara
-  service: Data Processing service
-  mission: >
-    To provide a scalable data processing stack and associated management
-    interfaces.
-  url: https://wiki.openstack.org/wiki/Sahara
-  deliverables:
-    python-saharaclient:
-      repos:
-        - openstack/python-saharaclient
-    sahara:
-      repos:
-        - openstack/sahara
-    sahara-dashboard:
-      repos:
-        - openstack/sahara-dashboard
-    sahara-extra:
-      repos:
-        - openstack/sahara-extra
-    sahara-image-elements:
-      repos:
-        - openstack/sahara-image-elements
-    sahara-plugin-ambari:
-      repos:
-        - openstack/sahara-plugin-ambari
-    sahara-plugin-cdh:
-      repos:
-        - openstack/sahara-plugin-cdh
-    sahara-plugin-mapr:
-      repos:
-        - openstack/sahara-plugin-mapr
-    sahara-plugin-spark:
-      repos:
-        - openstack/sahara-plugin-spark
-    sahara-plugin-storm:
-      repos:
-        - openstack/sahara-plugin-storm
-    sahara-plugin-vanilla:
-      repos:
-        - openstack/sahara-plugin-vanilla
-    sahara-tests:
-      repos:
-        - openstack/sahara-tests
-    sahara-specs:
-      release-management: none
-      repos:
-        - openstack/sahara-specs
 skyline:
   ptl:
     name: Wenxiang Wu