The ornamental design for a bootremover, as shown and described.
FIG. 1 is a perspective view of a boot remover showing my new design in an open position in a state of use on a wall and floor;
FIG. 2 is a left side view thereof;
FIG. 3 is a right side view thereof;
FIG. 4 is a front view thereof;
FIG. 5 is a rear view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof;
FIG. 8 is a perspective view thereof, in a closed position in a state of use on a wall;
FIG. 9 is a left side view thereof; and,
FIG. 10 is a front view thereof.
The broken lines showing the wall and floor in FIGS. 1 and 8 illustrate environmental subject matter, and other broken lines illustrate portions of the boot remover that form no part of the claimed design.