The ornamental design for a razorcartridge, as shown and described.
FIG. 1 is a front perspective view of a razor cartridge showing the new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof; and,
FIG. 8 is a perspective view showing the razor cartridge in context with a razor handle.
The broken line handle illustrates the environment of the razor cartridge, while the remaining broken lines illustrate portions of the razor cartridge. None of the broken line disclosure forms part of the claimed design.