example/bind/ios/bind.xcodeproj: disable bitcode in Xcode settings
example/bind/ios/bind.xcodeproj: disable bitcode in Xcode settings

Go compiles to machine code, not bitcode and Xcode will complain if
the bitcode setting is left enabled (the default).

Change-Id: If2caca0b70419c2901b5bfc159669307be39f964
Reviewed-on: https://go-review.googlesource.com/72670
Reviewed-by: David Crawshaw <a2f0bf29257797dd66800b4fbb9945c3e216c004@golang.org>

golang/mobile,golang/mobile,golang/mobile,golang/mobile