STYLE: GAMGInterfaceField: clean up commented out code

src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/interfaceFields/GAMGInterfaceField/GAMGInterfaceField.H

@@ -112,14 +112,6 @@ public:
             const lduInterfaceField& fineInterface
         );
 
-
-//TBD: make into construct from Istream.
-//   autoPtr<GAMGInterfaceField> New
-//        (
-//            const GAMGInterface& GAMGCp,
-//            Istream& is
-//        );
-
         //- Return a pointer to a new interface created on freestore given
         //  the fine interface
         static autoPtr<GAMGInterfaceField> New
@@ -130,7 +122,6 @@ public:
         );
 
 
-
     // Constructors
 
         //- Construct from GAMG interface and fine level interface field