The ornamental design for a replaceablerazorcartridge, as shown and described.
FIG. 1 is a front elevational view of a replaceable razor cartridge showing my new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof; and,
FIG. 5 is a left side elevational view thereof.
The right side elevational view is omitted since the left side elevational view shows a symmetrical view thereof. The broken lines are included to show the environment of the claimed design and form no part of the claimed design.