Revert "Require GEOS to be preinstalled."
Revert "Require GEOS to be preinstalled."

This reverts commit e12d1d279df2da2817314fd469cfb1eaeb1eece0.

abali96/Shapely,jdmcbr/Shapely,abali96/Shapely,mouadino/Shapely,jdmcbr/Shapely,mindw/shapely,mindw/shapely,mouadino/Shapely