doc: remove recommendation to wait a week for point release.

With more developers, inevitably there are PRs queued during the
release process.  Just accept that there will need to be a branch
created for any point release.

Signed-off-by: Rusty Russell <[email protected]>

Author: rustyrussell

doc/contribute-to-core-lightning/release-checklist.md

@@ -98,7 +98,6 @@ Here's a checklist for the release process.
 
 ## Post-release
 
-1. Wait for a week to see if we need any point releases!
 2. Create a PR to update Makefile's CLN_NEXT_VERSION and important dates for the next release on `.github/PULL_REQUEST_TEMPLATE.md`.
 3. Look through PRs which were delayed for release and merge them.
 4. Close out the Milestone for the now-shipped release.