net: qualcomm: rmnet: Always assign rmnet dev in deaggregation path

The rmnet device needs to assigned for all packets in the
deaggregation path based on the mux id, so the check is not needed.

CRs-Fixed: 2156182
Change-Id: I36a9ccaba5e574d029b140ac28d0e5aab1752dd7
Signed-off-by: David S. Miller <davem@davemloft.net>
Git-commit: 85355d775ff70d9ba77a5f94dd786b23852e1c72
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git


Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>