functionObjects::partialWrite: Redundant and removed

the equivalent functionality is provided by the writeRegisteredObject
   functionObject in a MUCH simpler, easier and extensible manner.

functionObject: Removed the now redundant 'timeSet' function.

src/OpenFOAM/db/functionObjects/functionObject/functionObject.C

@@ -126,12 +126,6 @@ bool Foam::functionObject::end()
 }
 
 
-bool Foam::functionObject::timeSet()
-{
-    return false;
-}
-
-
 bool Foam::functionObject::adjustTimeStep()
 {
     return false;