Revert "Enable GSSNEGOTIATE when curl >= 7.28.0  BZ 892070."
Revert "Enable GSSNEGOTIATE when curl >= 7.28.0  BZ 892070."

This reverts commit 9b9a1db530511197d98df076dc97a13252d69711.

tradej/urlgrabber,henrysher/urlgrabber,Distrotech/urlgrabber,henrysher/urlgrabber,oe-lite/urlgrabber,tradej/urlgrabber,tradej/urlgrabber,Distrotech/urlgrabber,oe-lite/urlgrabber,Distrotech/urlgrabber,oe-lite/urlgrabber,henrysher/urlgrabber,oe-lite/urlgrabber,Distrotech/urlgrabber,henrysher/urlgrabber