Fix simplify_using_aff to add non iname deps as unbounded

And call simplify_using_aff when inlining callable kernels

Fix non_inames

update test for simplify_indices

pass only identifiers to isl to avoid stderr msgs

Fix spacing

remove unnecessary error guard code

use insert_dim and set_dim_name

fix typo

Fix setting domain

Revert setting new_domains in callee_knl in inliner

Inliner: pass post-subst domains to KernelArgumentSubstitutor