remove settings for RESTful service

templates/kea-ctrl-agent.conf.j2

 {
 "Control-agent": {
-{%- if network.devices is defined -%}
-{%-   for ifname, ifdata in network.devices.items() if ifdata.services is defined and ("dhcp-ha" in (ifdata.services | default([]))) -%}
-   "http-host": "{{ ifdata.ipv4 | default(ifdata.ipv6 | default('127.0.0.1')) }}",
-   "http-port": {{ kea_control_agent_port }},
-{%-   endfor -%}   
-{%- endif -%}
-   
-
    "control-sockets": {
       "dhcp4": {
         "socket-type": "unix",