[package] base-files: do not pass --set-worker /lib/hotplug2/worker_fork.so to hotplug2 anymore, its statically linked - patch by Viktar Palstsiuk <viktar.palstsiuk@promwad.com>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@29806 3c298f89-4303-0410-b956-a3cf2f4a3e73