Revert gitignore update that clobbered it

Reverts ebfcaae and adds
line to ignore .python-version

.gitignore

@@ -1,6 +1,61 @@
-.python-version
+*.py[cod]
+*~
+\#*
+.\#*
+.history
+.mypy_cache
+.vscode
 
-.coverage
+# README.txt is just for the Cheeseshop; README.md is the authoritative one
+/README.txt
+/commcare_export/VERSION
+
+# OSX droppings
+.DS_Store
+
+# C extensions
+*.so
 
+# Packages
+*.egg
 *.egg-info
-__pycache__/
+dist
+build
+eggs
+parts
+bin
+var
+sdist
+develop-eggs
+.installed.cfg
+lib
+lib64
+/pip-wheel-metadata
+
+# Installer logs
+pip-log.txt
+
+# Unit test / coverage reports
+.coverage
+.tox
+nosetests.xml
+
+# Translations
+*.mo
+
+# Mr Developer
+.mr.developer.cfg
+.project
+.pydevproject
+
+# PyCharm
+.idea
+
+# Excel
+~*.xlsx
+
+/docs/_build
+/django-prbac.db
+
+# virtualenv
+.python-version