I claim the ornamental design for a waste outlet, as shown and described.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a top plan view of the present invention;
FIG. 4 is a bottom plan view of the present invention;
FIG. 5 is a top perspective view of the present invention;
FIG. 6 is a bottom perspective view of the present invention; and,
FIG. 7 is an exploded view of the present invention.
The broken line showing is included for the purpose of illustrating portions of the article and forms no part of the claimed design. The alternating long and short dashed line in FIG. 7 shows the order of assembly of the exploded parts and also forms no part of the claimed design.