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/db/dictionary/functionEntries/codeStream/codeStream.H

@@ -136,10 +136,10 @@ class codeStream
         );
 
 
-        //- Disallow default bitwise copy construct
+        //- No copy construct
         codeStream(const codeStream&) = delete;
 
-        //- Disallow default bitwise assignment
+        //- No copy assignment
         void operator=(const codeStream&) = delete;