remove incorrect statement from example description

ianhi · ianhi · commit 448100ae0f21 · 2021-01-04T16:29:30.000-05:00
the example does not demonstrate these things
diff --git a/examples/statistics/histogram_features.py b/examples/statistics/histogram_features.py
@@ -9,8 +9,6 @@
 * The *density* parameter, which normalizes bin heights so that the integral of
   the histogram is 1. The resulting histogram is an approximation of the
   probability density function.
-* Setting the face color of the bars.
-* Setting the opacity (alpha value).
 
 Selecting different bin counts and sizes can significantly affect the shape
 of a histogram. The Astropy docs have a great section_ on how to select these
