revert unneeded subcommand. add new jsons to gitignore. return empty tuple instead of None if no custom libs

Author: FoamyGuy

.github/workflows/build-images.yml

@@ -20,7 +20,7 @@ jobs:
         echo PATH=$PATH >> $GITHUB_ENV
     - run: python3 -mpip install -r requirements.txt
     - run: git clone --depth=1 https://github.com/adafruit/Adafruit_Learning_System_Guides learn
-    - run: env LEARN_GUIDE_REPO=learn/ python3 create_requirement_images.py learn
+    - run: env LEARN_GUIDE_REPO=learn/ python3 create_requirement_images.py
     - uses: actions/upload-artifact@v4
       with:
         name: images

.gitignore

@@ -5,6 +5,8 @@
 __pycache__
 latest_bundle_data.json
 latest_bundle_tag.json
+latest_community_bundle_data.json
+latest_community_bundle_tag.json
 generated_images
 
 # Virtual environment-specific files

create_requirement_images.py

@@ -393,7 +393,7 @@ def filter_custom_project_libs(project_file_set):
         which will in turn get included in the libraries list that the
         tool uses to generate the "main" lib folder in the screenshot.
         """
-        _custom_libs = None
+        _custom_libs = tuple()
         remove_files = []
         for file in project_file_set:
             if not isinstance(file, tuple):