clear_priorities
Description:
Clear all the entries from NMSettingVlan:ingress_priority_map or NMSettingVlan:egress_priority_map properties.
Parameters:
| this | 
           the SettingVlan  | 
      
| map | 
           the type of priority map  | 
      
Clear all the entries from NMSettingVlan:ingress_priority_map or NMSettingVlan:egress_priority_map properties.
| this | 
           the SettingVlan  | 
      
| map | 
           the type of priority map  |