[Gradle, JS] Remove redundant build variants for IR

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/ir/KotlinBrowserJsIr.kt

@@ -5,7 +5,6 @@
 
 package org.jetbrains.kotlin.gradle.targets.js.ir
 
-import org.gradle.api.NamedDomainObjectContainer
 import org.gradle.api.Task
 import org.gradle.api.plugins.BasePluginConvention
 import org.gradle.api.tasks.Copy
@@ -30,8 +29,6 @@ open class KotlinBrowserJsIr @Inject constructor(target: KotlinJsIrTarget) :
     private val commonRunConfigurations: MutableList<KotlinWebpack.() -> Unit> = mutableListOf()
     private val distribution: Distribution = BrowserDistribution()
 
-    private lateinit var buildVariants: NamedDomainObjectContainer<BuildVariant>
-
     override val testTaskDescription: String
         get() = "Run all ${target.name} tests inside browser using karma and webpack"
 
@@ -197,20 +194,7 @@ open class KotlinBrowserJsIr @Inject constructor(target: KotlinJsIrTarget) :
         BuildVariantKind.DEVELOPMENT -> debugValue
     }
 
-    override fun configureBuildVariants() {
-        buildVariants = project.container(BuildVariant::class.java)
-        buildVariants.create(PRODUCTION) {
-            it.kind = BuildVariantKind.PRODUCTION
-        }
-        buildVariants.create(DEVELOPMENT) {
-            it.kind = BuildVariantKind.DEVELOPMENT
-        }
-    }
-
     companion object {
-        const val PRODUCTION = "production"
-        const val DEVELOPMENT = "development"
-
         private const val WEBPACK_TASK_NAME = "webpack"
         private const val DISTRIBUTE_RESOURCES_TASK_NAME = "distributeResources"
         private const val DISTRIBUTION_TASK_NAME = "distribution"

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/ir/KotlinJsIrSubTarget.kt

@@ -39,7 +39,6 @@ abstract class KotlinJsIrSubTarget(
     internal fun configure() {
         NpmResolverPlugin.apply(project)
 
-        configureBuildVariants()
         configureTests()
 
         target.compilations.all {
@@ -63,8 +62,6 @@ abstract class KotlinJsIrSubTarget(
     protected fun disambiguateCamelCased(vararg names: String): String =
         lowerCamelCaseName(target.disambiguationClassifier, disambiguationClassifier, *names)
 
-    abstract fun configureBuildVariants()
-
     private fun configureTests() {
         testRuns = project.container(KotlinJsPlatformTestRun::class.java) { name -> KotlinJsPlatformTestRun(name, target) }.also {
             (this as ExtensionAware).extensions.add(this::testRuns.name, it)

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/ir/KotlinNodeJsIr.kt

@@ -47,7 +47,4 @@ open class KotlinNodeJsIr @Inject constructor(target: KotlinJsIrTarget) :
         val assembleTask = project.tasks.getByName(LifecycleBasePlugin.ASSEMBLE_TASK_NAME)
         assembleTask.dependsOn(productionExecutable.linkTask)
     }
-
-    override fun configureBuildVariants() {
-    }
 }