Revert "Pass current IP address to static lease creation. (#5318)"
Revert "Pass current IP address to static lease creation. (#5318)"

This reverts commit f83a74d4961c2a0c0b3500d8092590fdb17f534f.

The problem here is that people assign dynamic IP pool range address
to static device but dhcpd doesn't care about the static assignment
and will just hand out the IP again for a second device.

Also see: #5810

opnsense/core,opnsense/core,opnsense/core,opnsense/core,opnsense/core,opnsense/core