Revert "Debug: Allow stepping into on a given call frame."

src/runtime.cc

Index: src/runtime.cc
diff --git a/src/runtime.cc b/src/runtime.cc
index c93dbf79cf71c37ac28f6ec3b2df6d73dcc03af3..26dc36d5300fc44e3ca094389a9d05b2a2f20913 100644
--- a/src/runtime.cc
+++ b/src/runtime.cc
@@ -12620,11 +12620,8 @@ RUNTIME_FUNCTION(MaybeObject*, Runtime_PrepareStep) {
     return isolate->Throw(isolate->heap()->illegal_argument_string());
   }
 
-  if (frame_id != StackFrame::NO_ID &&
-      step_action != StepIn &&
-      step_action != StepNext &&
-      step_action != StepOut &&
-      step_action != StepMin) {
+  if (frame_id != StackFrame::NO_ID && step_action != StepNext &&
+      step_action != StepMin && step_action != StepOut) {
     return isolate->ThrowIllegalOperation();
   }