Remove crond and perl from instance

This is not needed for now.

software/apache/instance.cfg

@@ -7,11 +7,9 @@ develop-eggs-directory = ${buildout:develop-eggs-directory}
 
 [instance]
 recipe = ${instance-recipe:egg}:${instance-recipe:module}
-dcrond_binary = ${dcron:location}/sbin/crond
 httpd_binary = ${apache:location}/bin/httpd
 logrotate_binary = ${logrotate:location}/usr/sbin/logrotate
 openssl_binary = ${openssl:location}/bin/openssl
-perl_binary = ${perl:location}/bin/perl
 
 link_binary_list =
   ${coreutils:location}/bin/basename