Merge "Delete outdated sitemap file. Updated version now in Piper: https://critique.corp.google.com/#review/122362396" into mnc-mr-docs am: b7f5631156 am: 0c5c9747a7
am: ccc6e09298

* commit 'ccc6e092989c07cd1939da33abc4e63234c6c671':
  Delete outdated sitemap file. Updated version now in Piper: https://critique.corp.google.com/#review/122362396

Change-Id: I18fe568063a1516e6cb1f367b209b07b84e8729d