Tweak Release Checklist for releases link

Author: apjanke

doc-project/Release Checklist.md

@@ -17,10 +17,8 @@ The `dev-kit/make_release` script can take care of most of the release work for
   * `make test`, duh.
   * Wouldn't hurt to do `make clean && git status && make test`/manual-cleanup, just to be sure.
 * Update and double-check the version number and date in `VERSION`.
-* Update the installation instructions in `docs-src/README-index-common.md` to use the upcoming new release tarball URL.
-  * Format is: `https://github.com/janklab/MlxShake/releases/download/v<version>/MlxShake-<version>.tar.gz`.
 * Regenerate the doco.
-  * `make doc`
+  * `make docs && make doc`
 * Commit all the files changed by the above steps.
   * Use form: `git commit -a -m "Cut release v<version>"`
 * Make sure your repo is clean: `git status` should show no local changes.