The ornamental design for a cleaningtool, as shown and described.
FIG. 1 is a front perspective view of a cleaning tool showing my new design;
FIG. 2 is a left side view of the cleaning tool, the right side view being a mirror image thereof;
FIG. 3 is a top view of the cleaning tool;
FIG. 4 is a bottom view of the cleaning tool;
FIG. 5 is a rear view of the cleaning tool; and,
FIG. 6 is a front view of the cleaning tool.
The handle of the cleaning tool is shown with a symbolic break in its length. The appearance of any portion of the article between the break lines forms no part of the claimed design.