Revert commit 0f590c62

As noted by Daniel Berrange [1], the proper fix for the older
PolicyKit build issue is to add virNetServerGetDBusConn to
libvirt_private.syms.  Revert unnecessary changes to
daemon/Makefile.am

[1] https://www.redhat.com/archives/libvir-list/2011-November/msg00852.html

daemon/Makefile.am

@@ -156,10 +156,6 @@ endif
 if WITH_NWFILTER
     libvirtd_LDADD += ../src/libvirt_driver_nwfilter.la
 endif
-
-if HAVE_POLKIT0
-    libvirtd_LDADD += ../src/libvirt_driver_remote.la
-endif
 endif
 
 libvirtd_LDADD += ../src/libvirt.la