[BOLT][NFC] Drop unused profile staleness stats#165489

aaupov merged 1 commit intomainllvm/llvm-project:mainfrom

users/aaupov/spr/boltnfc-drop-unused-profile-staleness-statsllvm/llvm-project:users/aaupov/spr/boltnfc-drop-unused-profile-staleness-statsCopy head branch name to clipboard