nominatim: remove sleep from update script
nominatim: remove sleep from update script

Nominatim's own update.php now properly takes care of sleeping
for the approriate time even when in single-update mode.

openstreetmap/chef,Firefishy/chef,tomhughes/openstreetmap-chef,openstreetmap/chef,zerebubuth/openstreetmap-chef,tomhughes/openstreetmap-chef,Firefishy/chef,openstreetmap/chef,tomhughes/openstreetmap-chef,zerebubuth/openstreetmap-chef,Firefishy/chef,tomhughes/openstreetmap-chef,zerebubuth/openstreetmap-chef,openstreetmap/chef,tomhughes/openstreetmap-chef,zerebubuth/openstreetmap-chef,zerebubuth/openstreetmap-chef,openstreetmap/chef,Firefishy/chef,Firefishy/chef,tomhughes/openstreetmap-chef,openstreetmap/chef,tomhughes/openstreetmap-chef,zerebubuth/openstreetmap-chef,Firefishy/chef,zerebubuth/openstreetmap-chef,tomhughes/openstreetmap-chef,openstreetmap/chef,Firefishy/chef,openstreetmap/chef,zerebubuth/openstreetmap-chef,Firefishy/chef