rm operation proxy

Author: Michal Medvecky

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/nodes/bytecode_dsl/PBytecodeDSLRootNode.java

@@ -310,7 +310,6 @@
 @OperationProxy(value = PyObjectIsNotTrueNode.class, name = "Not")
 @OperationProxy(value = ListNodes.AppendNode.class, name = "ListAppend")
 @OperationProxy(value = SetNodes.AddNode.class, name = "SetAdd")
-// @OperationProxy(value = CopyDictWithoutKeysNode.class, name = "CopyDictWithoutKeys")
 @ShortCircuitOperation(name = "BoolAnd", booleanConverter = PyObjectIsTrueNode.class, operator = Operator.AND_RETURN_VALUE)
 @ShortCircuitOperation(name = "BoolOr", booleanConverter = PyObjectIsTrueNode.class, operator = Operator.OR_RETURN_VALUE)
 @ShortCircuitOperation(name = "PrimitiveBoolAnd", operator = Operator.AND_RETURN_VALUE)