Merge pull request matplotlib#28305 from meeseeksmachine/auto-backport-of-pr-28303-on-v3.9.x

Backport PR matplotlib#28303 on branch v3.9.x (Removed drawedges repeated definition from function doc string)

Author: rcomer

lib/matplotlib/colorbar.py

@@ -257,10 +257,6 @@ class Colorbar:
         *location* is None, the ticks will be at the bottom for a horizontal
         colorbar and at the right for a vertical.
 
-    drawedges : bool
-        Whether to draw lines at color boundaries.
-
-
     %(_colormap_kw_doc)s
 
     location : None or {'left', 'right', 'top', 'bottom'}