msm: ipa: remove IPA Modem pipe reset for IPAv2.6 HW versions

The workaround which required IPA AP driver to reset Modem IPA Pipes
in a SSR scenario is no longer required for MSMs with IPA v2.6 HW
and on.

CRs-fixed: 840244
Change-Id: I90ed686a1697f600cdc69e43e8c6dd8032034293
Acked-by: David Arinzon <darinzon@qti.qualcomm.com>
Signed-off-by: Sivan Reinstein <sivanr@codeaurora.org>