Remove graphics from pkgdown reference

_pkgdown.yml

@@ -38,17 +38,6 @@ reference:
     - skewness.distribution
     - kurtosis.distribution
     - is_distribution
-- title: Graphics
-  desc: >
-    Tools for visualising distributions and intervals.
-    This functionality is deprecated, and will be removed from the package.
-    You can use the {ggdist} package to visualise your distributions.
-  contents:
-    - geom_hilo_ribbon
-    - geom_hilo_linerange
-    - scale_hilo_continuous
-    - scale_level
-    - guide_level
 - title: Continuous distributions
   desc: >
     Continuous probability distributions.