Removed env variable

env

 GCF.dhcp.dns.domain="example.com"
 GCF.dhcp.dns.siteDomain="site1.example.com"
 GCF.dhcp.dns.dynIpsDomain="dhcp.site1.example.com"
-GCF.dhcp.dns.revDomain="100.15.10.in-addr.arpa."
-GCF.dhcp.dns.additionalDomains=["101.15.10.in-addr.arpa.", "102.15.10.in-addr.arpa."]
+GCF.dhcp.dns.additionalDomains=["100.15.10.in-addr.arpa.", "101.15.10.in-addr.arpa.", "102.15.10.in-addr.arpa."]
 
 GCF.dhcp.subnet="10.15.100.0"
 GCF.dhcp.netmask="255.255.255.0"

isc-dhcp/config/states/isc-dhcp/dhcpd.conf

         secret "{{ salt['pillar.get']("model:dns:tsig:keys:internal") }}";
 };
 
-{% for zone in (salt['pillar.get']("model:dhcp:dns:additionalDomains", []) + [salt['pillar.get']("model:dhcp:dns:dynIpsDomain"), salt['pillar.get']("model:dhcp:dns:siteDomain"), salt['pillar.get']("model:dhcp:dns:revDomain")]) %}
+{% for zone in (salt['pillar.get']("model:dhcp:dns:additionalDomains", []) + [salt['pillar.get']("model:dhcp:dns:dynIpsDomain"), salt['pillar.get']("model:dhcp:dns:siteDomain")]) %}
 zone {{ zone }} {
     primary {{ salt['pillar.get']("model:dhcp:dns:master") }};
     key "key-internal";