Revert "[ORC] Preserve order of constructors with same priority (#95532)"

The test fails on 32-bit ARMv8:
https://lab.llvm.org/buildbot/#/builders/154/builds/170

This reverts commit e5d0627.

Author: hahnjo

llvm/lib/ExecutionEngine/Orc/LLJIT.cpp

@@ -538,7 +538,7 @@ GlobalCtorDtorScraper::operator()(ThreadSafeModule TSM,
 
       for (auto E : COrDtors)
         InitsOrDeInits.push_back(std::make_pair(E.Func, E.Priority));
-      llvm::stable_sort(InitsOrDeInits, llvm::less_second());
+      llvm::sort(InitsOrDeInits, llvm::less_second());
 
       auto *InitOrDeInitFuncEntryBlock =
           BasicBlock::Create(Ctx, "entry", InitOrDeInitFunc);