mirror-update: clean up Fedora ignores

Put the excludes in the order seen at a URL like

  http://mirrors.us.kernel.org/fedora/releases/35/

Remove "Docker" and "CloudImages" which doesn't exist now, add
"Kinoite" and "Silverblue" which we don't use.

Change-Id: I07711cb83f88844cd036b81a198908498b380733

playbooks/roles/mirror-update/files/fedora-mirror-update

@@ -49,15 +49,15 @@ for REPO in releases/35 development/rawhide; do
         --delete \
         --delete-excluded \
         --exclude="Cloud/x86_64/images/*.box" \
-        --exclude="CloudImages/x86_64/images/*.box" \
         --exclude="Container" \
-        --exclude="Docker" \
+        --exclude="Kinoite" \
+        --exclude="Server" \
+        --exclude="Silverblue" \
+        --exclude="Spins" \
+        --exclude="Workstation" \
         --exclude="aarch64/" \
         --exclude="armhfp/" \
         --exclude="source/" \
-        --exclude="Server" \
-        --exclude="Spins" \
-        --exclude="Workstation" \
         --exclude="x86_64/debug/" \
         --exclude="x86_64/drpms/" \
         --exclude="snapshot/" \