doc/tests switchover to `uninstall :delete`

from `uninstall :files`
Add RethinkDB, version 1.14.1
Upgrade TexShop.app to 3.41.2
Merge pull request #6227 from rolandwalker/doc_uninstall_delete

doc/tests switchover to `uninstall :delete`
Node 0.10.32
doc followup: missing deprecations
Merge pull request #6230 from rolandwalker/doc_followup_legacy_forms

WIP doc followup: missing deprecations
cvt to :delete adium
cvt to :delete adobe-photoshop-lightroom
cvt to :delete atom
cvt to :delete authbuddy
cvt to :delete authoxy
cvt to :delete awareness
cvt to :delete baiduinput
cvt to :delete bartender
cvt to :delete bettertouchtool
cvt to :delete bibdesk
cvt to :delete brackets
cvt to :delete brytonbridge
cvt to :delete caffeine