msm: ipa: remove support for IPA 1.0

Removes support for IPA 1.0, which is an old IPA version. The old version
had HW bugs that required special handling in SW and can now be removed.
Additionally, there is no commercial product which uses IPA 1.0.

Change-Id: I7bbd3d2c0b58aab84ec26638f87cbbc2ce781d17
Signed-off-by: Gidon Studinski <gidons@codeaurora.org>