Remove tox from .github PR template

Author: jakirkham

.github/PULL_REQUEST_TEMPLATE.md

@@ -3,9 +3,9 @@
 TODO:
 
 - [ ] Unit tests and/or doctests in docstrings
-- [ ] `tox -e py310` passes locally
+- [ ] Tests pass locally
 - [ ] Docstrings and API docs for any new/modified user-facing classes and functions
 - [ ] Changes documented in docs/release.rst
-- [ ] `tox -e docs` passes locally
+- [ ] Docs build locally
 - [ ] GitHub Actions CI passes
 - [ ] Test coverage to 100% (Coveralls passes)