The ornamental design for a golfputtingtrainingaid, as shown and described.
FIG. 1 is a perspective view of a golf putting training aid, the broken
line showing of a golf club head is for illustrative purposes only and
forms no part of the claimed design;
FIG. 2 is a front elevational view of the golf putting training aid;
FIG. 3 is a top plan view of the golf putting training aid, the undisclosed
opposite side being a mirror image; and,
FIG. 4 is a left side elevational view of the golf putting training aid,
the undisclosed opposite side being a mirror image.