(Kitty)Crops will now only drop harvests when the hoe ready mode is
green.

With the exception of peppers, this is when the crop is in the final
stage of growth, and is using the final texture. Bell peppers will turn
the hoe overlay green when either the green or the red/yellow pepper can
be harvested.

Cleanup - Removed leftover multiUse code; changed sky check to use y +1