am b2a0b57e: am 2baf87e4: am b88c1a8a: am 98f23e7a: docs: delete obsolete asset files

# Via Android Git Automerger (3) and Scott Main (1)
* commit 'b2a0b57e23b32bbaa15892ba229359e430b32d5a':
  docs: delete obsolete asset files