Roll back all step-in-fix-related changes

src/debug-debugger.js

Index: src/debug-debugger.js
diff --git a/src/debug-debugger.js b/src/debug-debugger.js
index 0b02e2102a8f9455a2e56b6cd7c8dc9648f3a8fa..8315da8771a7b455852dd063139d2834ae9281d6 100644
--- a/src/debug-debugger.js
+++ b/src/debug-debugger.js
@@ -2115,10 +2115,6 @@ DebugCommandProcessor.prototype.changeLiveRequest_ = function(request, response)
   var result_description = Debug.LiveEdit.SetScriptSource(the_script,
       new_source, preview_only, change_log);
   response.body = {change_log: change_log, result: result_description};
-  
-  if (!preview_only && !this.running_ && result_description.stack_modified) {
-    response.body.stepin_recommended = true;
-  }
 };