Revert "[polly][ScheduleOptimizer] Fix long compile time(hang) reported in polly (#75141)"

This reverts commit d6c4d4c9b910e8ad5ed7cd4825a143742041c1f4.

Broke buildldbots with asserts disabled; -debug-only is only available in
asserts builds.

GitOrigin-RevId: 2cc111e422a1e9a77455da3febf36449a6127bae
2 files changed