maintainers/update-{st,h}ackage.sh: drop support for --do-commit

maintainers/scripts/haskell/update-hackage.sh

@@ -24,6 +24,11 @@
 
 set -euo pipefail
 
+if [[ "${1:-}" == "--do-commit" ]]; then
+  echo "$0: --do-commit is no longer supported. Use update-package-set.sh instead."
+  exit 100
+fi
+
 pin_file=pkgs/data/misc/hackage/pin.json
 current_commit="$(jq -r .commit $pin_file)"
 old_date="$(jq -r .msg $pin_file | sed 's/Update from Hackage at //')"
@@ -48,15 +53,4 @@ else
    exit 0
 fi
 
-version_diff="$old_date -> $new_date"
-
-if [[ "${1:-}" == "--do-commit" ]]; then
-git add pkgs/data/misc/hackage/pin.json
-git commit -F - << EOF
-all-cabal-hashes: $version_diff
-
-(generated by maintainers/scripts/haskell/update-hackage.sh)
-EOF
-else
-echo "$version_diff"
-fi
+echo "$old_date -> $new_date"