[5072] Two small corrections in example configs.

doc/examples/kea4/classify.json

@@ -55,7 +55,7 @@
   {
       "name": "VoIP",
       "test": "substring(option[60].hex,0,6) == 'Aastra'"
-  },
+  }
 
   ],
 

doc/examples/kea4/dhcpv4-over-dhcpv6.json

@@ -20,13 +20,13 @@
 
   "subnet4": [
    {    "subnet": "10.10.10.0/24",
-        # Don't forget the "4o6-" before "interface" here!
+# Don't forget the "4o6-" before "interface" here!
         "4o6-interface": "eno33554984",
         "4o6-subnet": "2001:db8:1:1::/64",
         "pools": [ { "pool": "10.10.10.100 - 10.10.10.199" } ] }
   ],
 
-  # This enables DHCPv4-over-DHCPv6 support
+# This enables DHCPv4-over-DHCPv6 support
   "dhcp4o6-port": 6767
 
 },