Remove remnants of NSX

Change-Id: I10f8461f6346bab88913aa2fe88b3a8defc67ee5

doc/source/admin/archives/introduction.rst

@@ -119,8 +119,8 @@ an IP address between two instances to enable fast data plane failover.
 
 .. note::
 
-   Currently, only the ML2 and VMware NSX plug-ins
-   support the allowed-address-pairs extension.
+   Currently, only the ML2 plug-in supports the allowed-address-pairs
+   extension.
 
 **Basic allowed-address-pairs operations.**
 

doc/source/admin/fwaas.rst

@@ -14,7 +14,6 @@ projects.
 Firewalls are implemented in various ways, depending on the driver used. For
 example, an iptables driver implements firewalls using iptable rules. An
 OpenVSwitch driver implements firewall rules using flow entries in flow tables.
-A Cisco firewall driver manipulates NSX devices.
 
 FWaaS v2
 --------

doc/source/admin/ops-quotas.rst

@@ -165,7 +165,7 @@ the default set of quotas are enforced for all projects, so no
    .. note::
 
       Only some plug-ins support per-project quotas.
-      Specifically, OVN, Open vSwitch, Linux Bridge, and VMware NSX
+      Specifically, OVN, Open vSwitch, and Linux Bridge
       support them, but new versions of other plug-ins might
       bring additional functionality. See the documentation for
       each plug-in.

doc/source/install/common/get-started-networking.rst

@@ -17,9 +17,8 @@ OpenStack Networking plug-ins and agents
   Plug and unplug ports, create networks or subnets, and provide
   IP addressing. These plug-ins and agents differ depending on the
   vendor and technologies used in the particular cloud. OpenStack
-  Networking ships with plug-ins and agents for Cisco virtual and
-  physical switches, NEC OpenFlow products, Open vSwitch, Linux
-  bridging, Open Virtual Network (OVN) and the VMware NSX product.
+  Networking ships with plug-ins and agents for Open vSwitch, Linux
+  bridging, Open Virtual Network (OVN), SR-IOV and Macvtap.
 
   The common agents are L3 (layer 3), DHCP (dynamic host IP
   addressing), and a plug-in agent.