Fix ConcurrentModificationException

This exception is happening on build configuration trying to remove
default jar task artifacts from published one. I've set 'jar' task
to be always disabled instead and just add shadow jar to artifacts.

prepare/compiler-embeddable/build.gradle.kts

@@ -40,8 +40,6 @@ sourceSets {
     "test" { projectDefault() }
 }
 
-publish()
-
 // dummy is used for rewriting dependencies to the shaded packages in the embeddable compiler
 compilerDummyJar(compilerDummyForDependenciesRewriting("compilerDummy") {
     archiveClassifier.set("dummy")
@@ -54,6 +52,10 @@ val runtimeJar = runtimeJar(embeddableCompiler()) {
     mergeServiceFiles()
 }
 
+publish {
+    setArtifacts(listOf(runtimeJar))
+}
+
 sourcesJar {
     val compilerTask = project(":kotlin-compiler").tasks.named<Jar>("sourcesJar")
     dependsOn(compilerTask)