[Orc][examples] Drop manual TargetMachineBuilder setup

Author: weliveindetail

llvm/examples/OrcV2Examples/LLJITWithRemoteDebugging/LLJITWithRemoteDebugging.cpp

@@ -174,25 +174,10 @@ int main(int argc, char *argv[]) {
     TSMs.push_back(ExitOnErr(parseExampleModuleFromFile(Path)));
   }
 
-  std::string TT;
-  StringRef MainModuleName;
-  TSMs.front().withModuleDo([&MainModuleName, &TT](Module &M) {
-    MainModuleName = M.getName();
-    TT = M.getTargetTriple();
-    if (TT.empty())
-      TT = sys::getProcessTriple();
-  });
-
-  // Create a target machine that matches the input triple.
-  JITTargetMachineBuilder JTMB((Triple(TT)));
-  JTMB.setCodeModel(CodeModel::Small);
-  JTMB.setRelocationModel(Reloc::PIC_);
-
   // Create LLJIT and destroy it before disconnecting the target process.
   outs() << "Initializing LLJIT for remote executor\n";
   auto J = ExitOnErr(LLJITBuilder()
                           .setExecutorProcessControl(std::move(EPC))
-                          .setJITTargetMachineBuilder(std::move(JTMB))
                           .setObjectLinkingLayerCreator([&](auto &ES, const auto &TT) {
                             return std::make_unique<ObjectLinkingLayer>(ES);
                           })