Update cisco_ios_show_ip_interface_brief (#1958)

Author: averhaven

ntc_templates/templates/cisco_ios_show_ip_interface_brief.textfsm

@@ -1,6 +1,6 @@
 Value INTERFACE (\S+)
 Value IP_ADDRESS (\S+)
-Value STATUS (up|down|administratively down)
+Value STATUS (up|down|administratively down|deleted)
 Value PROTO (up|down)
 
 Start

tests/cisco_ios/show_ip_interface_brief/cisco_ios_show_ip_interface_brief.raw

@@ -1,6 +1,7 @@
 Interface                  IP-Address      OK? Method Status                Protocol
 Ethernet0/0                unassigned      YES NVRAM  up                    up
 Ethernet0/0.11             10.0.1.38       YES NVRAM  up                    up
+Ethernet0/0.100            unassigned      YES NVRAM  deleted               down
 Ethernet0/1                1.1.1.1         YES NVRAM  up                    up
 Ethernet0/2                unassigned      YES NVRAM  administratively down down
 Ethernet0/3                unassigned      YES NVRAM  administratively down down

tests/cisco_ios/show_ip_interface_brief/cisco_ios_show_ip_interface_brief.yml

@@ -8,6 +8,10 @@ parsed_sample:
     ip_address: "10.0.1.38"
     proto: "up"
     status: "up"
+  - interface: "Ethernet0/0.100"
+    ip_address: "unassigned"
+    proto: "down"
+    status: "deleted"
   - interface: "Ethernet0/1"
     ip_address: "1.1.1.1"
     proto: "up"