[compiler] Remove --ignition-preserve-bytecode flag.

src/builtins/ia32/builtins-ia32.cc

Index: src/builtins/ia32/builtins-ia32.cc
diff --git a/src/builtins/ia32/builtins-ia32.cc b/src/builtins/ia32/builtins-ia32.cc
index cc51777d1f5f70e0fd0b3baf3d841f42bf882252..1ae8cffad367fb8c11b6e881eaa07934e68a847a 100644
--- a/src/builtins/ia32/builtins-ia32.cc
+++ b/src/builtins/ia32/builtins-ia32.cc
@@ -685,31 +685,6 @@ void Builtins::Generate_InterpreterEntryTrampoline(MacroAssembler* masm) {
   __ jmp(ecx);
 }
 
-void Builtins::Generate_InterpreterMarkBaselineOnReturn(MacroAssembler* masm) {
-  // Save the function and context for call to CompileBaseline.
-  __ mov(edi, Operand(ebp, StandardFrameConstants::kFunctionOffset));
-  __ mov(kContextRegister,
-         Operand(ebp, StandardFrameConstants::kContextOffset));
-
-  // Leave the frame before recompiling for baseline so that we don't count as
-  // an activation on the stack.
-  LeaveInterpreterFrame(masm, ebx, ecx);
-
-  {
-    FrameScope frame_scope(masm, StackFrame::INTERNAL);
-    // Push return value.
-    __ push(eax);
-
-    // Push function as argument and compile for baseline.
-    __ push(edi);
-    __ CallRuntime(Runtime::kCompileBaseline);
-
-    // Restore return value.
-    __ pop(eax);
-  }
-  __ ret(0);
-}
-
 static void Generate_StackOverflowCheck(MacroAssembler* masm, Register num_args,
                                         Register scratch1, Register scratch2,
                                         Label* stack_overflow,