The ornamental design for a removable storage deck for vehicles, as shown and described.
FIG. 1 is a perspective view of a first embodiment of a removable storage deck for vehicles, shown from the top, one end, and one side, the opposite side being a mirror image of that shown;
FIG. 2 is a perspective view thereof, shown from the bottom, side, and the end opposite that shown in FIG. 1;
FIG. 3 is a perspective view of a second embodiment of the removable storage deck for vehicles, shown from the top, one end, and one side, the opposite side being a mirror image of that shown; and,
FIG. 4 is a perspective view thereof, shown from the bottom, side, and the end opposite that shown in FIG. 3.