Remove unused imports

Change-Id: Ia2672c8ada6df09be420e6b74aff4c4143df60d5
diff --git a/DESCRIPTION b/DESCRIPTION
index 0acedea..c01bfb7 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -15,16 +15,13 @@
 LazyData: false
 RoxygenNote: 7.2.3
 Imports:
-    ggplot2,
     tibble,
     magrittr,
     tidyr,
     dplyr,
     lubridate,
-    highcharter,
     jsonlite,
     keyring,
-    htmlwidgets,
     utils,
     httr,
 Suggests: