Revert "feature: Zabbix cookbook performance enhancements"

This reverts commit 75810debd8ac547577c2199e3db31851b3b8ea58.
update for multi zabbix phps

Conflicts:
	roles/zabbix_server.rb

Change-Id: Id8dd0a593c32fd129540604abb8b79b4ac0933ce
Automate deployment of cluster.xml and name ES nodes properly.

Conflicts:
	org_cookbooks/tv_elasticsearch/recipes/default.rb
	org_cookbooks/tv_storm/recipes/default.rb

Change-Id: I01e60566bd31ba4686a51f5e0a87ab2ede1e19c6
fix bug
configurable cache memory usage for zabbix server
oops, fixed hardcoded values in template with node attributes