pre-commit is not needed to run tests.

--- dunamai-1.23.0/pyproject.toml.orig
+++ dunamai-1.23.0/pyproject.toml
@@ -30,7 +30,6 @@
     { version = "^7.2", python = "^3.7" },
     { version = "^3.0", python = ">=3.5,<3.7" },
 ]
-pre-commit = { version = "^2.20", python = "^3.7" }
 pytest-cov = [
     { version = "^4.0", python = "^3.7" },
     { version = "^2.6", python = ">=3.5,<3.7" },