Bug 1519503 - Disable NLLanguageRecognizer for language detection.  (#4473)
Bug 1519503 - Disable NLLanguageRecognizer for language detection.  (#4473)

* Bug 1519503 - Disable NLLanguageRecognizer for language detection.

* fix comment

garvankeeley/firefox-ios,StYaphet/firefox-ios,mkaply/firefox-ios,HongliYu/firefox-ios,garvankeeley/firefox-ios,StYaphet/firefox-ios,justindarc/firefox-ios,justindarc/firefox-ios,st3fan/firefox-ios,Bunn/firefox-ios,Acidburn0zzz/firefox-ios,StYaphet/firefox-ios,garvankeeley/firefox-ios,AaronMT/firefox-ios,garvankeeley/firefox-ios,Bunn/firefox-ios,flodolo/firefox-ios,flodolo/firefox-ios,StYaphet/firefox-ios,st3fan/firefox-ios,flodolo/firefox-ios,st3fan/firefox-ios,justindarc/firefox-ios,mozilla-mobile/firefox-ios,Bunn/firefox-ios,justindarc/firefox-ios,flodolo/firefox-ios,Bunn/firefox-ios,HongliYu/firefox-ios,mkaply/firefox-ios,Bunn/firefox-ios,StYaphet/firefox-ios,Acidburn0zzz/firefox-ios,AaronMT/firefox-ios,st3fan/firefox-ios,AaronMT/firefox-ios,mozilla-mobile/firefox-ios,justindarc/firefox-ios,StYaphet/firefox-ios,garvankeeley/firefox-ios,mkaply/firefox-ios,Bunn/firefox-ios,mozilla-mobile/firefox-ios,mozilla-mobile/firefox-ios,mkaply/firefox-ios,Bunn/firefox-ios,AaronMT/firefox-ios,st3fan/firefox-ios,mozilla-mobile/firefox-ios,flodolo/firefox-ios,Acidburn0zzz/firefox-ios,HongliYu/firefox-ios,Acidburn0zzz/firefox-ios,flodolo/firefox-ios,mkaply/firefox-ios,mozilla-mobile/firefox-ios,st3fan/firefox-ios,mkaply/firefox-ios,HongliYu/firefox-ios,HongliYu/firefox-ios,Acidburn0zzz/firefox-ios,AaronMT/firefox-ios,flodolo/firefox-ios,AaronMT/firefox-ios,AaronMT/firefox-ios,mkaply/firefox-ios,HongliYu/firefox-ios,justindarc/firefox-ios,mozilla-mobile/firefox-ios,HongliYu/firefox-ios,StYaphet/firefox-ios,StYaphet/firefox-ios,st3fan/firefox-ios,Acidburn0zzz/firefox-ios,garvankeeley/firefox-ios,Acidburn0zzz/firefox-ios,justindarc/firefox-ios,garvankeeley/firefox-ios,Acidburn0zzz/firefox-ios,st3fan/firefox-ios