ENH: rhoCentralFoam: add dynamic-mesh motion capabilities

ENH: discard rhoCentralDyMFoam by merging it with rhoCentralFoam

tutorials/compressible/rhoCentralFoam/movingCone/system/controlDict

@@ -14,7 +14,7 @@ FoamFile
 }
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
-application     rhoCentralDyMFoam;
+application     rhoCentralFoam;
 
 startFrom       startTime;