Do not pass -f to b10-recurse

It no longer has this parameter. However, boss still takes -f address to
distinguish when to run -recurse and when -auth. Changing this is a
different task.

git-svn-id: svn://bind10.isc.org/svn/bind10/branches/vorner-recursor-config@3336 e5f2f494-b856-4b98-b285-d166d9295462

src/bin/bind10/bind10.py.in

@@ -364,8 +364,6 @@ class BoB:
         else:
             dns_prog = 'b10-auth'
         dnsargs = [dns_prog, '-p', str(self.dns_port)]
-        if self.forward:
-            dnsargs += ['-f', str(self.forward)]
         if self.address:
             dnsargs += ['-a', str(self.address)]
         if self.nocache: