use CRAN version of enc.

lorenzwalthert · lorenzwalthert · commit 30d2cdc212b7 · 2018-03-03T18:11:08.000+01:00
diff --git a/DESCRIPTION b/DESCRIPTION
@@ -66,5 +66,3 @@ Collate:
     'vertical.R'
     'visit.R'
     'zzz.R'
-Remotes:
-    krlmlr/enc@v0.1-10
