am a4d7214d: am 12829256: am 13ae720b: am e7ae74f1: am 5bde4bc5: am 1cd65b30: delete a few unused/obsolete files and add redirects

* commit 'a4d7214dbebfbab151023bea52b5dfe166b058e0':
  delete a few unused/obsolete files and add redirects