Remove some tooltip code which no longer compiles on head
Remove some tooltip code which no longer compiles on head

Remove this code until we get the tooltips working again.
It gives an error about "type int" not matching another type.

xamarin/fsharpbinding,xamarin/fsharpbinding,nosami/xamarin-monodevelop-fsharp-addin,Ming-Tang/fsharpbinding,fsharp/xamarin-monodevelop-fsharp-addin,fsharp/fsharpbinding,fsharp/xamarin-monodevelop-fsharp-addin,Ming-Tang/fsharpbinding,Ming-Tang/fsharpbinding,fsharp/fsharpbinding,fsharp/fsharpbinding,nosami/xamarin-monodevelop-fsharp-addin