msm: ipa3: Remove obsolete open_aggr_frame_wa check

Check for open aggregation frame on Consumer EP for chips with
ipa versoins less than IPA 4.0 is irrelevant anymore. Removed the
obsolete workaround of it.

Change-Id: I40fc426df6c67bc3ffbbe26861336c57f006bdc5
Acked-by: Praveen Kurapati <pkurapat@qti.qualcomm.com>
Signed-off-by: Mohammed Javid <mjavid@codeaurora.org>