chore: removed redundant remark

Author: Björn Thoor

templates/zabbix_server.conf.erb

@@ -911,7 +911,6 @@ LoadModulePath=<%= @loadmodulepath %>
 <% if @webserviceurl %>WebServiceURL=<%= @webserviceurl -%><% end %>
 <% end %>
 
-<%# FIXME: vi får v 6.0 %>
 <% if @zabbix_version.to_f >= 7.0 %>
 ### Option: ServiceManagerSyncFrequency
 #	How often Zabbix will synchronize configuration of a service manager (in seconds).