I claim the ornamental design for a brushcutter, as shown and described.
FIG. 1 is a perspective view of the brushcutter;
FIG. 2 is a partial top view of the brushcutter shown in FIG. 1;
FIG. 3 is a partial left side view of the brushcutter shown in FIG. 1;
FIG. 4 is a partial right side view of the brushcutter shown in FIG. 1;
FIG. 5 is a partial front view of the brushcutter shown in FIG. 1;
FIG. 6 is a partial rear view of the brushcutter shown in FIG. 1; and,
FIG. 7 is a top view of the brushcutter shown in FIG. 1.
The subject matter shown in dashed lines, and any surfaces of the design not shown, including interior surfaces, form no part of the claimed invention.