Update MANIFEST.in to exclude other artifacts

Author: timkpaine

MANIFEST.in

@@ -1,23 +1,21 @@
 graft python_template
-graft python_template/tests
 
 include LICENSE
 include README.md
-include CONTRIBUTING.md
-
-include .bumpversion.cfg
-include pyproject.toml
-include Makefile
 
 prune docs
 prune .vscode
 prune .github
 
-# test and lint assets
 prune .pytest_cache
 prune .ruff_cache
 prune .mypy_cache
 
+exclude CONTRIBUTING.md
+exclude .bumpversion.cfg
+exclude pyproject.toml
+exclude Makefile
+
 exclude .gitignore
 exclude .gitattributes