[LAA] Use LoopAccessInfoManager in legacy pass.

Simplify LoopAccessLegacyAnalysis by using LoopAccessInfoManager from
D134606. As a side-effect this also removes printing support from
LoopAccessLegacyAnalysis.

Depends on D134606.

Reviewed By: aeubanks

Differential Revision: https://reviews.llvm.org/D134608