Remove the check for filesystem space from the logrotate configuration

This doesn't work in containers and was causing logrotate not to
run for any log files.

https://bugzilla.redhat.com/show_bug.cgi?id=1560210

images/miq-app/container-assets/miq_logs.conf

@@ -6,9 +6,6 @@
   notifempty
   compress
   copytruncate
-  prerotate
-    source /etc/default/evm; /bin/sh ${APPLIANCE_SOURCE_DIRECTORY}/logrotate_free_space_check.sh $1
-  endscript
   lastaction
     /sbin/service httpd reload > /dev/null 2>&1 || true
   endscript