comment out cross

Author: wing328

build.sbt

@@ -10,7 +10,7 @@ specifications as part of your build. Other tasks are available as command line
 lazy val `sbt-openapi-generator` = (project in file("."))
   .settings(
     scalaVersion := "2.12.15",
-    crossScalaVersions := Seq(scalaVersion.value, "2.11.12"),
+    //crossScalaVersions := Seq(scalaVersion.value, "2.11.12"),
     crossSbtVersions := List("0.13.17", "1.3.10"),
     sbtPlugin := true,