Build: Embed projects not published to maven into kotlin-plugin.jar

plugins/kotlin-serialization/kotlin-serialization-compiler/build.gradle.kts

@@ -23,10 +23,6 @@ sourceSets {
     "test" {}
 }
 
-val jar = runtimeJar {}
+runtimeJar()
 
 dist(targetName = the<BasePluginConvention>().archivesBaseName + ".jar")
-
-ideaPlugin {
-    from(jar)
-}

plugins/kotlin-serialization/kotlin-serialization-ide/build.gradle.kts

@@ -23,6 +23,3 @@ sourceSets {
 }
 
 runtimeJar()
-
-ideaPlugin()
-