Move 1.26 to EOL

Signed-off-by: Sascha Grunert <sgrunert@redhat.com>

data/releases/eol.yaml

@@ -1,4 +1,7 @@
 branches:
+  - release: "1.26"
+    finalPatchRelease: "1.25.15"
+    endOfLifeDate: 2024-02-28
   - release: "1.25"
     finalPatchRelease: "1.25.16"
     endOfLifeDate: 2023-10-28

data/releases/schedule.yaml

@@ -102,56 +102,3 @@ schedules:
     targetDate: "2023-04-11"
   release: "1.27"
   releaseDate: "2023-04-11"
-- endOfLifeDate: "2024-02-28"
-  maintenanceModeStartDate: "2023-12-28"
-  next:
-    release: Not Planned
-  previousPatches:
-  - cherryPickDeadline: "2024-02-09"
-    release: 1.26.14
-    targetDate: "2024-02-14"
-  - cherryPickDeadline: "2023-01-12"
-    release: 1.26.13
-    targetDate: "2024-01-17"
-  - cherryPickDeadline: "2023-12-15"
-    release: 1.26.12
-    targetDate: "2023-12-20"
-  - note: Out of band release to fix [CVE-2023-5528](https://groups.google.com/g/kubernetes-announce/c/c3py6Fw0DTI/m/cScFSdk1BwAJ)
-    release: 1.26.11
-    targetDate: "2023-11-14"
-  - cherryPickDeadline: "2023-10-13"
-    release: 1.26.10
-    targetDate: "2023-10-18"
-  - cherryPickDeadline: "2023-09-08"
-    release: 1.26.9
-    targetDate: "2023-09-13"
-  - cherryPickDeadline: "2023-08-04"
-    release: 1.26.8
-    targetDate: "2023-08-23"
-  - cherryPickDeadline: "2023-07-14"
-    release: 1.26.7
-    targetDate: "2023-07-19"
-  - cherryPickDeadline: "2023-06-09"
-    release: 1.26.6
-    targetDate: "2023-06-14"
-  - cherryPickDeadline: "2023-05-12"
-    release: 1.26.5
-    targetDate: "2023-05-17"
-  - cherryPickDeadline: "2023-04-07"
-    release: 1.26.4
-    targetDate: "2023-04-12"
-  - cherryPickDeadline: "2023-03-10"
-    release: 1.26.3
-    targetDate: "2023-03-15"
-  - cherryPickDeadline: "2023-02-10"
-    note: '[Some container images might be **unsigned** due to a temporary issue with
-      the promotion process](https://groups.google.com/a/kubernetes.io/g/dev/c/MwSx761slM0/m/4ajkeUl0AQAJ)'
-    release: 1.26.2
-    targetDate: "2023-02-15"
-  - cherryPickDeadline: "2023-01-13"
-    release: 1.26.1
-    targetDate: "2023-01-18"
-  - release: 1.26.0
-    targetDate: "2022-12-09"
-  release: "1.26"
-  releaseDate: "2022-12-09"