Remove use of scala.concurrent.forkjoin

Remove use of scala.concurrent.forkjoin.

Remove support for JDK 6.

1 files changed, 1 insertions, 2 deletions

diff --git a/build.sbt b/build.sbt
index 9fe9cae..c5606bd 100644
--- a/build.sbt
+++ b/build.sbt
@@ -8,9 +8,8 @@ scalaVersionsByJvm in ThisBuild := {
   val v213 = "2.13.0-M3"
 
   Map(
-    6 -> List(v211 -> true),
     7 -> List(v211 -> false),
-    8 -> List(v212 -> true, v213 -> true, v211 -> false),
+    8 -> List(v212 -> true, v213 -> true, v211 -> true),
     9 -> List(v212 -> false, v213 -> false, v211 -> false))
 }