The ornamental design for a golframp accessory, as shown and described.
FIG. 1 is a perspective view of the golf ramp accessory showing the claimed design;
FIG. 2 is a front elevational view of the golf ramp accessory shown in FIG. 1;
FIG. 3 is a back elevational view of the golf ramp accessory shown in FIG. 1;
FIG. 4 left-side elevational view of the golf ramp accessory shown in FIG. 1, the right-side elevational view being a mirror image of the left-side elevational view;
FIG. 5 view is a bottom plan view of the golf ramp accessory, as shown in FIG. 1; and,
FIG. 6 is a top plan view of the golf ramp accessory shown in FIG. 1.
The broken lines in the figures show portions of the design that form no part of the claimed design.