isl_multi_pw_aff_pullback_pw_multi_aff: inline *_aligned
isl_multi_pw_aff_pullback_pw_multi_aff: inline *_aligned

Since the previous commit, the alignment only takes one line
so there is no longer any need to do this in a separate function.

Signed-off-by: Sven Verdoolaege <dd860110a62b19214c4ee03aec0abffecb4e86b8@cerebras.net>

Meinersbur/isl,Meinersbur/isl,Meinersbur/isl,Meinersbur/isl