Stop producing empty kotlin-stdlib-coroutines jar

libraries/stdlib/common/build.gradle

@@ -92,13 +92,6 @@ jar {
     from sourceSets.coroutines.output
 }
 
-task coroutinesCommonJar(type: Jar) {
-    classifier = 'coroutines'
-    version = null
-    manifestAttributes(manifest, project, 'Main')
-    project.configure(manifest) { attributes 'Kotlin-Version': '1.3' }
-}
-
 task sourcesJar(type: Jar, dependsOn: classes) {
     classifier = 'sources'
     from sourceSets.main.kotlin
@@ -125,11 +118,5 @@ task distCommon(type: Copy) {
 
 dist.dependsOn distCommon
 
-task experimentalCommonJarsDist(type: Copy) {
-    from coroutinesCommonJar
-    into distDir
-}
-
-dist.dependsOn experimentalCommonJarsDist
 
 classes.setDependsOn(classes.dependsOn.findAll { it != "compileJava" })