Unused method removed

compiler/frontend/src/org/jetbrains/jet/lang/descriptors/ValueParameterDescriptor.java

@@ -49,7 +49,6 @@ public interface ValueParameterDescriptor extends VariableDescriptor, Annotated
      */
     boolean declaresDefaultValue();
 
-    boolean isRef();
     @Nullable JetType getVarargElementType();
 
     @Override

compiler/frontend/src/org/jetbrains/jet/lang/descriptors/ValueParameterDescriptorImpl.java

@@ -115,11 +115,6 @@ public class ValueParameterDescriptorImpl extends VariableDescriptorImpl impleme
         }
     }
 
-    @Override
-    public boolean isRef() {
-        throw new UnsupportedOperationException(); // TODO
-    }
-
     @Nullable
     public JetType getVarargElementType() {
         return varargElementType;