Remove unsed variable is l2_interfaces.py (#61246)

Signed-off-by: Paul Belanger <pabelanger@redhat.com>

lib/ansible/module_utils/network/eos/config/l2_interfaces/l2_interfaces.py

@@ -207,7 +207,6 @@ def set_interface(want, have):
             commands.append("switchport trunk native vlan {0}".format(native_vlan))
 
         allowed_vlans = want['trunk'].get("trunk_allowed_vlans")
-        has_allowed = has_trunk.get("trunk_allowed_vlans")
         if allowed_vlans:
             allowed_vlans = ','.join(allowed_vlans)
             commands.append("switchport trunk allowed vlan {0}".format(allowed_vlans))