tunnel-mac: mac addr option unavailable for tunnel interface

Mac address option is not present for tunnel interface so had to
remove from the documentation. As the include pages are called,
added two new files to reflect the changes

docs/_include/interface-common-without-dhcp1.txt

@@ -0,0 +1,7 @@
+.. cmdinclude:: /_include/interface-address.txt
+  :var0: {{ var0 }}
+  :var1: {{ var1 }}
+
+.. cmdinclude:: /_include/interface-common-without-mac.txt
+  :var0: {{ var0 }}
+  :var1: {{ var1 }}

docs/_include/interface-common-without-mac.txt

@@ -0,0 +1,31 @@
+.. cmdinclude:: /_include/interface-description.txt
+  :var0: {{ var0 }}
+  :var1: {{ var1 }}
+
+.. cmdinclude:: /_include/interface-disable.txt
+  :var0: {{ var0 }}
+  :var1: {{ var1 }}
+
+.. cmdinclude:: /_include/interface-disable-flow-control.txt
+  :var0: {{ var0 }}
+  :var1: {{ var1 }}
+
+.. cmdinclude:: /_include/interface-disable-link-detect.txt
+  :var0: {{ var0 }}
+  :var1: {{ var1 }}
+
+.. cmdinclude:: /_include/interface-mtu.txt
+  :var0: {{ var0 }}
+  :var1: {{ var1 }}
+
+.. cmdinclude:: /_include/interface-ip.txt
+  :var0: {{ var0 }}
+  :var1: {{ var1 }}
+
+.. cmdinclude:: /_include/interface-ipv6.txt
+  :var0: {{ var0 }}
+  :var1: {{ var1 }}
+
+.. cmdinclude:: /_include/interface-vrf.txt
+  :var0: {{ var0 }}
+  :var1: {{ var1 }}

docs/configuration/interfaces/tunnel.rst

@@ -18,7 +18,7 @@ a closer look at the protocols and options currently supported by VyOS.
 Common interface configuration
 ------------------------------
 
-.. cmdinclude:: /_include/interface-common-without-dhcp.txt
+.. cmdinclude:: /_include/interface-common-without-dhcp1.txt
    :var0: tunnel
    :var1: tun0