Revert "net: ipc_router: Fix use after free of xprt_info pointer"

This reverts commit 1ee9bd15 ("net: ipc_router: Fix use after free of
xprt_info pointer")

Incomplete fix and introduce new dead lock between nested reads and write
of xprt_info_list_lock_lha5 semaphore lock.

CRs-Fixed: 999123
Change-Id: I696c143de30602d5d87839e91d052fa184313fc9
Signed-off-by: Arun Kumar Neelakantam <aneela@codeaurora.org>