remove defunct fxn ghcnd_clear_cache from pkgdown config file

sckott · sckott · commit 12f41543f27f · 2020-07-07T11:30:14.000-07:00
diff --git a/_pkgdown.yml b/_pkgdown.yml
@@ -38,7 +38,6 @@ reference:
   - title: "Global Historical Climatology Network Daily"
     contents:
       - ghcnd
-      - ghcnd_clear_cache
       - ghcnd_countries
       - ghcnd_read
       - ghcnd_search
