remove unneeded dep

Tim Hopper · Tim Hopper · commit 07660bc2e08d · 2018-10-18T17:03:29.000Z
diff --git a/environment.yml b/environment.yml
@@ -5,6 +5,5 @@ channels:
 dependencies:
   - python>=3.6
   - pip
-  - r-essentials
   - mro-base
   - r-ggplot2
