Clean out a few git-ignore tasks

.gitignore

@@ -9,8 +9,8 @@ __pycache__/
 # we are a library, don't lock the requirements
 uv.lock
 
-# PyCharm
-# Keep some to help new users...
+# PyCharm ignore
+# Keep the dictionary to help new users...
 .idea/codeStyles
 .idea/dictionaries/*
 !.idea/dictionaries/music21.xml
@@ -72,34 +72,24 @@ nosetests.xml
 /.vscode
 *.code-workspace
 
-# remove all from autogenerated except conf.py
+# remove all from autogenerated except conf.py and index.rst
 documentation/autogenerated/**/*
 documentation/autogenerated/**/*.png
 !documentation/autogenerated/conf.py
 !documentation/autogenerated/index.rst
 documentation/build/**/*
-
 **-checkpoint.ipynb
 documentation/source/usersGuide/.ipynb_checkpoints
 documentation/source/usersGuide/.ipynb_checkpoints/**
 
-documentation/source/tutorials/MersenneDemo.rst
-documentation/source/tutorials/MersenneDemo_files/_fig_01.png
-documentation/source/tutorials/MersenneDemo_files/_fig_03.png
-documentation/source/tutorials/MersenneDemo_files/_fig_05.png
-
-.pylintrc~
-
-.cache/v/cache/lastfailed
-
-.cache/v/cache/lastfailed
-
 .ropeproject/config.py
 .pytest_cache
 .pytest_cache/**
 music21/monkeytype.sqlite3
 .pytest_cache/v/cache/nodeids
 .pytest_cache/v/cache/lastfailed
-.pytest_cache/v/cache/nodeids
 .dmypy.json
+
+# Emacs backups
 *.txt~
+*.py~

music21/spanner.py

@@ -416,6 +416,7 @@ def getSpannedElementIds(self):
         '''
         Return all id() for all stored objects.
         Was performance critical, until most uses removed in v7.
+
         Used only as a testing tool now.
         Spanner.__contains__() was optimized in 839c7e5.
         '''

pyproject.toml

@@ -41,7 +41,6 @@ classifiers = [
     "Typing :: Typed",
 ]
 
-# when hatch-requirements-txt is stable, replace with that
 dependencies = [
     "chardet",
     "joblib",