This is like asking "Has Einstein been blown out of the water?" in the context of physics.
The answer is that such a thing would be impossible, because even though his theories and models are imperfect (as all theories and models are), they were so influential that they fundamentally changed his field.
Chomsky had a similar effect on linguistics, and even if much of his work ends up being rejected, his influence will have changed the field of linguistics forever. The theories that supersede Chomsky's will be developed within the paradigm he created.
The answer is that such a thing would be impossible, because even though his theories and models are imperfect (as all theories and models are), they were so influential that they fundamentally changed his field.
Chomsky had a similar effect on linguistics, and even if much of his work ends up being rejected, his influence will have changed the field of linguistics forever. The theories that supersede Chomsky's will be developed within the paradigm he created.