msm: ipa: teth_bridge: Remove unneeded header

teth_bridge includes a header that it does not need to include.
Stop including the useless header.

Change-Id: I6542bfdf3af77a7a45fea256c8dd5b18f2e8ab84
Signed-off-by: Arun Kumar Neelakantam <aneela@codeaurora.org>