CI: don't wait on update-docs-examples

It's disabled.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

.github/workflows/ci.yaml

@@ -624,7 +624,6 @@ jobs:
       - check-units
       - integration-valgrind
       - integration-sanitizers
-      - update-docs-examples
       - min-btc-support
       - check-flake
     steps: