vpp: T7972: Delete nat44 no-forwarding option from CLI

Author: natali-rs1985

docs/vpp/configuration/nat/nat44.rst

@@ -554,24 +554,6 @@ This setting helps prevent memory exhaustion and ensures predictable performance
    # Increase session limit for high-capacity deployment
    set vpp settings nat44 session-limit 100000
 
-Forwarding Behavior
--------------------
-
-By default, VyOS NAT44 forwards packets that don't match any NAT rules according to the routing table. This behavior can be controlled:
-
-.. cfgcmd:: set vpp settings nat44 no-forwarding
-
-   Disable forwarding of packets that don't match existing NAT translations. When enabled, only packets that match static or dynamic NAT rules will be processed; all other traffic will be dropped.
-
-.. important::
-
-   This is a significant difference from traditional NAT solutions. By default, VyOS NAT44 allows non-NAT traffic to be forwarded normally. Using ``no-forwarding`` creates a pure NAT-only device that drops any traffic not covered by NAT rules.
-
-**Use cases for no-forwarding:**
-
-* **Pure NAT gateway**: When the router should only handle NAT traffic and drop everything else
-* **Security isolation**: Preventing any non-NAT traffic from traversing the device
-
 Worker Assignment
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