[qca-nss-ecm] Remove duplicate classifier code.

Two functions are duplicated for NSS and SFE frontends
for booth ipv4 and ipv6 versions. These functions are
supposed to be in the ecm_classifier.c file.

Change-Id: Id4cd6bffcfcfb94fbbe45f3340aa72e307bba92f
Signed-off-by: Murat Sezgin <msezgin@codeaurora.org>
21 files changed