Remove remaining ruff_shrinking references (#11272)

## Summary

This caused `rooster release` to fail.

Initially removed in https://github.com/astral-sh/ruff/pull/11242.

.github/workflows/ci.yaml

@@ -59,7 +59,6 @@ jobs:
               - "!crates/ruff_python_formatter/**"
               - "!crates/ruff_formatter/**"
               - "!crates/ruff_dev/**"
-              - "!crates/ruff_shrinking/**"
               - scripts/*
               - python/**
               - .github/workflows/ci.yaml