Remove entrypoint to Python package

It's not intended to be run.

Author: alexdewar

muse2_data_analysis/__main__.py

@@ -34,7 +34,7 @@ module = "tests.*"
 disallow_untyped_defs = false
 
 [tool.pytest.ini_options]
-addopts = "-v -p no:warnings --cov=muse2_data_analysis --cov-branch --cov-report=html --cov-report=xml --doctest-modules --ignore=muse2_data_analysis/__main__.py --ignore=docs/"
+addopts = "-v -p no:warnings --cov=muse2_data_analysis --cov-branch --cov-report=html --cov-report=xml --doctest-modules --ignore=docs/"
 
 [tool.ruff]
 target-version = "py314"