[mythtv] Removing UIRemoteEditType and MythRemoteLineEdit

[Justin Hornsby]

It's all well & good for remotes with letters written on them as well
as numbers but little use to anybody but the most ardent mobile phone
user, so I vote YES to remove it.

Justin
-- 
Justin Hornsby
Moderator of www.mythtvtalk.com
Creator of ProjectGrayhem & blootube themes for MythTV
email: justin(dot)hornsby(at)gmail.com
web: http://www.juski.co.uk