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

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

src/functionObjects/solvers/energyTransport/energyTransport.H

@@ -269,10 +269,10 @@ class energyTransport
         //- Return kappa
         tmp<volScalarField> kappa() const;
 
-        //- Disallow default bitwise copy construct
+        //- No copy construct
         energyTransport(const energyTransport&) = delete;
 
-        //- Disallow default bitwise assignment
+        //- No copy assignment
         void operator=(const energyTransport&) = delete;
 
 

src/functionObjects/solvers/scalarTransport/scalarTransport.H

@@ -221,10 +221,10 @@ class scalarTransport
             const surfaceScalarField& phi
         ) const;
 
-        //- Disallow default bitwise copy construct
+        //- No copy construct
         scalarTransport(const scalarTransport&) = delete;
 
-        //- Disallow default bitwise assignment
+        //- No copy assignment
         void operator=(const scalarTransport&) = delete;