Get rid of old WelcomeScreenIcon in Acorn format.
Get rid of old WelcomeScreenIcon in Acorn format.

mumble-voip/mumble-iphoneos,jinie/mumble-iphoneos,HiroshiTakayama/IP-Incom,HiroshiTakayama/IP-Incom,mumble-voip/mumble-iphoneos,HiroshiTakayama/IP-Incom,HiroshiTakayama/IP-Incom,jinie/mumble-iphoneos,mkrautz/mumble-iphoneos,mumble-voip/mumble-iphoneos,mkrautz/mumble-iphoneos,jinie/mumble-iphoneos