move default env settings to Netdisco.pm

Netdisco/bin/netdisco-daemon-fg

@@ -28,12 +28,6 @@ use Role::Tiny::With;
 use MCE::Signal '-setpgrp';
 use MCE;
 
-# set defaults for AnyEvent::DNS
-local $ENV{'PERL_ANYEVENT_MAX_OUTSTANDING_DNS'}
-    = setting('dns')->{max_outstanding} || 10;
-local $ENV{'PERL_ANYEVENT_HOSTS'}
-    = setting('dns')->{hosts_file} || '/etc/hosts';
-
 # set temporary MCE files' location in home directory
 my $home = ($ENV{NETDISCO_HOME} || $ENV{HOME});
 my $tmp_dir = ($ENV{NETDISCO_TEMP} || dir($home, 'tmp'));