update module plugin to 2.1.2, remove workaround

Author: lrytz

build.sbt

@@ -345,9 +345,6 @@ inThisBuild(
               // env vars, which we cannot modify from java (easily). so we inline what this command does.
               CiReleasePlugin.setupGpg()
               List(
-                // work around https://github.com/olafurpg/sbt-ci-release/issues/64
-                "set pgpSecretRing := pgpSecretRing.value",
-                "set pgpPublicRing := pgpPublicRing.value",
                 s"$projectPrefix/publishSigned",
                 "sonatypePrepare",
                 "sonatypeBundleUpload",

project/plugins.sbt

@@ -8,6 +8,6 @@ addSbtPlugin("org.scala-js"           % "sbt-scalajs"                   % scalaJ
 addSbtPlugin("org.portable-scala"     % "sbt-scalajs-crossproject"      % crossVer)
 addSbtPlugin("org.scala-native"       % "sbt-scala-native"              % scalaNativeVersion)
 addSbtPlugin("org.portable-scala"     % "sbt-scala-native-crossproject" % crossVer)
-addSbtPlugin("org.scala-lang.modules" % "sbt-scala-module"              % "2.1.1")
+addSbtPlugin("org.scala-lang.modules" % "sbt-scala-module"              % "2.1.2")
 addSbtPlugin("ch.epfl.scala"          % "sbt-scalafix"                  % "0.9.6")
 addSbtPlugin("com.eed3si9n"           % "sbt-buildinfo"                 % "0.9.0")