[GlobalISel][AArch64] Check caller for swifterror params in tailcall eligibility
Before, we only checked the callee for swifterror. However, we should also be
checking the caller to see if it has a swifterror parameter.
Since we don't currently handle outgoing arguments, this didn't show up in the
Also, remove the swifterror checks from call-translator-tail-call.ll, since
they are covered by the existing swifterror testing. Better to have it all in
Differential Revision: https://reviews.llvm.org/D67465