STYLE: consistent use of '= delete' for removed constructors/assignments

- make the purpose more explicit, and reduces some work for the
  compiler as well.

src/OpenFOAM/algorithms/subCycle/subCycle.H

@@ -111,10 +111,10 @@ class subCycle
 {
     // Private Member Functions
 
-        //- Disallow default bitwise copy construct
+        //- No copy construct
         subCycle(const subCycle<GeometricField>&) = delete;
 
-        //- Disallow default bitwise assignment
+        //- No copy assignment
         void operator=(const subCycle<GeometricField>&) = delete;