Update pre-push hook and remove stale comments. NFC (#26919)

Should have been part of #26559. I failed to follow the advice in the
comment :)

Author: sbc100

.circleci/config.yml

@@ -533,7 +533,6 @@ jobs:
       - run: tools/maint/check_emcc_help_text.py
       - run: make -C site html
   ruff:
-    # Keep in sync with ruff commands in tools/maint/pre-push
     executor: ubuntu-lts
     steps:
       - checkout

tools/maint/pre-push

@@ -6,6 +6,4 @@
 
 set -o errexit
 
-# Keep these check in sync with `ruff` rule in  .circleci/config.yml
 ruff check -q
-ruff check --preview --select=E20,E30,E221,E225,E226