Passive mode is the default, and has been for a while.

MFC after:	1 week

etc/login.conf

@@ -26,7 +26,7 @@ default:\
 	:passwd_format=sha512:\
 	:copyright=/etc/COPYRIGHT:\
 	:welcome=/etc/motd:\
-	:setenv=MAIL=/var/mail/$,BLOCKSIZE=K,FTP_PASSIVE_MODE=YES:\
+	:setenv=MAIL=/var/mail/$,BLOCKSIZE=K:\
 	:path=/sbin /bin /usr/sbin /usr/bin /usr/games /usr/local/sbin /usr/local/bin ~/bin:\
 	:nologin=/var/run/nologin:\
 	:cputime=unlimited:\