Revert "Only access cross_fill_patterns if it is filled"
Revert "Only access cross_fill_patterns if it is filled"

This reverts commit d44e2d7091148bb4f96437a267afcac203b23000.

ROBO3D/CuraEngine,ROBO3D/CuraEngine,Ultimaker/CuraEngine,ROBO3D/CuraEngine,Ultimaker/CuraEngine