I claim the ornamental design for a toilet, as shown and described.
FIG. 1 is a side perspective view of a toilet in accordance with the present invention;
FIG. 2 is a front elevational view of the toilet in accordance with the present invention;
FIG. 3 is a rear elevational view of the toilet in accordance with the present invention;
FIG. 4 is a left side elevational view of the toilet in accordance with the present invention, the right side elevational view being the mirror image thereof; and,
FIG. 5 is a top elevational view of the toilet in accordance with the present invention.