Remove --harmony-scoping flag.

test/mjsunit/bugs/harmony/debug-blockscopes.js

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-// Flags: --expose-debug-as debug --harmony-scoping
+// Flags: --expose-debug-as debug
 // The functions used for testing backtraces. They are at the top to make the
 // testing of source line/column easier.
 
 
 // Get the Debug object exposed from the debug context global object.
 Debug = debug.Debug;
 
 var test_name;
 var listener_delegate;
 var listener_called;
@@ skipping 168 matching lines @@
   CheckScopeChain([debug.ScopeType.Local,
                    debug.ScopeType.Block,
                    debug.ScopeType.Closure,
                    debug.ScopeType.Global], exec_state);
   CheckScopeContent({}, 0, exec_state);
   CheckScopeContent({z:4}, 1, exec_state);
   CheckScopeContent({a:1,x:2,y:3}, 2, exec_state);
 };
 closure_1(1)();
 EndTest();