adjust solvers and utilities to use new argList methods

- also drop various unused time options from src/OpenFOAM/include

applications/utilities/mesh/advanced/refinementLevel/refinementLevel.C

@@ -110,7 +110,7 @@ int main(int argc, char *argv[])
         << " to allow for some truncation error."
         << nl << endl;
 
-    bool readLevel = args.options().found("readLevel");
+    bool readLevel = args.optionFound("readLevel");
 
     const scalarField& vols = mesh.cellVolumes();