AGENT_TYPE_* constants[1] defines all agent types BUT the only vendor
one(AGENT_TYPE_NEC) is only used in out-of-tree networking-nec repo.
This changes removes out-of-tree AGENT_TYPE_NEC constant (dependant
change defines it in networking-nec repo).
[1] in neutron.extensions.portbindings
Change-Id: Ia80c33ee7970cfe167c2c9ca6d512f23561455a2
Closes-Bug: #
1487598
Depends-On: I955fa48ee2120900e422bab57db250303c3d7bb4
AGENT_TYPE_DHCP = 'DHCP agent'
AGENT_TYPE_OVS = 'Open vSwitch agent'
AGENT_TYPE_LINUXBRIDGE = 'Linux bridge agent'
-AGENT_TYPE_NEC = 'NEC plugin agent'
AGENT_TYPE_OFA = 'OFA driver agent'
AGENT_TYPE_L3 = 'L3 agent'
AGENT_TYPE_LOADBALANCER = 'Loadbalancer agent'