Disable running on Scala 2.11

Workaround for #21

Author: Atry

build.sbt

@@ -17,7 +17,10 @@ lazy val Tensors = project.dependsOn(OpenCLKernelBuilder, OpenCL, Trees)
 val defaultCrossTypeLevelScalaVersions = Seq(
   // "2.12.4-bin-typelevel-4" // Disabled due to https://github.com/typelevel/scala/issues/176
 )
-val crossLightbendScalaVersions = Seq("2.11.12", "2.12.4")
+
+// Disable Scala 2.11 for now due to https://github.com/ThoughtWorksInc/Compute.scala/issues/21
+val crossLightbendScalaVersions = Seq("2.12.4")
+// val crossLightbendScalaVersions = Seq("2.11.12", "2.12.4")
 
 crossScalaVersions in ThisBuild := {
   crossLightbendScalaVersions ++