The ornamental design for an earcurettetip, as shown and described.
FIG. 1 is a perspective view of an ear curette tip showing my new design;
FIG. 2 is a top view thereof;
FIG. 3 is a bottom view thereof;
FIG. 4 is a left side view thereof, the right side being a mirror image;
FIG. 5 is a front end view thereof; and,
FIG. 6 is a rear end view thereof.
The broken line depiction of environmental structure in the illustration of FIG. 1 is provided for illustrative purposes only and forms no part of the claimed design.