Update endpoints.yml

endpoints.yml

@@ -1635,15 +1635,3 @@ endpoints:
     flavor: netboot
     kernel: ubuntu-netboot-21.10-amd64
     arch: amd64
-  ubuntu-netboot-21.10-arm64:
-    path: /ubuntu-squash/releases/download/21.10-22689dde/
-    files:
-    - filesystem.squashfs
-    - initrd
-    - vmlinuz
-    os: ubuntu
-    version: '21.10'
-    codename: impish
-    flavor: netboot
-    kernel: ubuntu-netboot-21.10-arm64
-    arch: arm64