[K/N][build] Remove artifact overriding in library task

Depending on noPack option compiler produces file or directory.
Artifact field that contains .klib file can't use @OutputDirectory
annotation. The same applies for @OutputFile with directory.

kotlin-native/runtime/build.gradle.kts

@@ -439,6 +439,7 @@ konanArtifacts {
     stdlibBuildTask = project.findKonanBuildTask("stdlib", project.platformManager.hostPlatform.target).apply {
         configure {
             dependsOn(":kotlin-native:distCompiler")
+            outputs.dir(project.buildDir.resolve("stdlib/$hostName/stdlib"))
         }
     }
 }

kotlin-native/tools/kotlin-native-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/konan/tasks/KonanCompileTask.kt

@@ -391,12 +391,6 @@ open class KonanCompileFrameworkTask: KonanCompileNativeBinary() {
 }
 
 open class KonanCompileLibraryTask: KonanCompileTask() {
-    override val artifact: File
-        @OutputDirectory get() = destinationDir.resolve(artifactFullName)
-
-    override val artifactSuffix: String
-        @Internal get() = if (!noPack) produce.suffix(konanTarget) else ""
-
     override fun buildCommonArgs() = super.buildCommonArgs().apply {
         addKey("-nopack", noPack)
     }