pre-commit is not needed to run tests.

--- rich-13.9.4/pyproject.toml.orig
+++ rich-13.9.4/pyproject.toml
@@ -42,7 +42,6 @@
 mypy = "^1.11"
 pytest-cov = "^3.0.0"
 attrs = "^21.4.0"
-pre-commit = "^2.17.0"
 asv = "^0.5.1"
 
 [build-system]