Revert of [turbofan] Support variable size argument popping in TF-generated functions

src/compiler/ast-graph-builder.cc

Index: src/compiler/ast-graph-builder.cc
diff --git a/src/compiler/ast-graph-builder.cc b/src/compiler/ast-graph-builder.cc
index c9a03574a4cfa79aff08dc3699dcafaabfd514f8..161a33a10d4ac8663c2e57e81b99a737b8468cfc 100644
--- a/src/compiler/ast-graph-builder.cc
+++ b/src/compiler/ast-graph-builder.cc
@@ -3777,8 +3777,7 @@
     return_value =
         NewNode(javascript()->CallRuntime(Runtime::kTraceExit), return_value);
   }
-  Node* pop_node = jsgraph()->Int32Constant(0);
-  Node* control = NewNode(common()->Return(), pop_node, return_value);
+  Node* control = NewNode(common()->Return(), return_value);
   UpdateControlDependencyToLeaveFunction(control);
   return control;
 }