[turbofan] Remove support for LazyBailout operators.

src/compiler/x87/code-generator-x87.cc

Index: src/compiler/x87/code-generator-x87.cc
diff --git a/src/compiler/x87/code-generator-x87.cc b/src/compiler/x87/code-generator-x87.cc
index 20164435e489e04e3aac8f6be5297d5ee09c2604..75c3a0d7a1ca75d008622afc46cbeec10e403380 100644
--- a/src/compiler/x87/code-generator-x87.cc
+++ b/src/compiler/x87/code-generator-x87.cc
@@ -485,14 +485,6 @@ void CodeGenerator::AssembleArchInstruction(Instruction* instr) {
       frame_access_state()->ClearSPDelta();
       break;
     }
-    case kArchLazyBailout: {
-      DoEnsureSpaceForLazyDeopt(info(), masm(), last_lazy_deopt_pc_);
-      RecordCallPosition(instr);
-      // Lazy Bailout entry, need to re-initialize FPU state.
-      __ fninit();
-      __ fld1();
-      break;
-    }
     case kArchPrepareCallCFunction: {
       // Frame alignment requires using FP-relative frame addressing.
       frame_access_state()->SetFrameAccessToFP();