Remove duplicated grDevices in Imports (#3009)

yutannihilation · web-flow · commit a057a2683968 · 2018-11-19T22:44:53.000+09:00
diff --git a/DESCRIPTION b/DESCRIPTION
@@ -33,8 +33,7 @@ Imports:
     stats,
     tibble,
     viridisLite,
-    withr (>= 2.0.0),
-    grDevices
+    withr (>= 2.0.0)
 Suggests:
     covr,
     dplyr,
