Remove previous fix proposal proved to be wrong

src/core/ext/transport/cronet/transport/cronet_transport.cc

@@ -335,9 +335,6 @@ static void add_to_storage(struct stream_obj* s,
   /* add new op at the beginning of the linked list. The memory is freed
   in remove_from_storage */
   op_and_state* new_op = grpc_core::New<op_and_state>(s, *op);
-  // Pontential fix to crash on GPR_ASSERT(!curr->done)
-  // TODO (mxyan): check if this is indeed necessary.
-  new_op->done = false;
   gpr_mu_lock(&s->mu);
   new_op->next = storage->head;
   storage->head = new_op;