[Gradle] Remove kpm native variant codegen

KT-61463

libraries/tools/kotlin-gradle-plugin-dsl-codegen/build.gradle.kts

@@ -34,14 +34,6 @@ val generateAbstractKotlinArtifactsExtensionImplementation by generator(
     setOutputSourceRoot()
 }
 
-val generateKpmNativeVariants by generator(
-    "org.jetbrains.kotlin.generators.gradle.dsl.KpmNativeVariantCodegenKt",
-    sourceSets["main"]
-) {
-    group = generateGroupName
-    setOutputSourceRoot()
-}
-
 fun JavaExec.setOutputSourceRoot() {
     systemProperty(
         "org.jetbrains.kotlin.generators.gradle.dsl.outputSourceRoot",

libraries/tools/kotlin-gradle-plugin-dsl-codegen/src/main/kotlin/org/jetbrains/kotlin/generators/gradle/dsl/kpmNativeVariantCodegen.kt

@@ -1,115 +0,0 @@
-/*
- * Copyright 2010-2022 JetBrains s.r.o. and Kotlin Programming Language contributors.
- * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
- */
-
-package org.jetbrains.kotlin.generators.gradle.dsl
-
-import org.jetbrains.kotlin.konan.target.KonanTarget
-import org.jetbrains.kotlin.konan.target.presetName
-import kotlin.io.path.Path
-import kotlin.io.path.writeText
-
-fun main() {
-    generateKpmNativeVariantPresets()
-}
-
-fun generateKpmNativeVariantPresets() {
-    val sourceCode = kpmNativeVariantsSourceCode()
-    Path(outputSourceRoot)
-        .resolve(packageName.replace(".", "/"))
-        .resolve(fileName)
-        .writeText(sourceCode)
-}
-
-fun kpmNativeVariantsSourceCode() = """
-    package $packageName
-
-    import org.gradle.api.artifacts.Configuration
-    import org.jetbrains.kotlin.konan.target.KonanTarget
-    import javax.inject.Inject
-
-    // DO NOT EDIT MANUALLY! Generated by ${object {}.javaClass.enclosingClass.name}
-    ${variantClasses().indented(skipFirstLine = true)}
-
-    ${allVariantConstructors().indented(skipFirstLine = true)}
-    
-    ${kpmVariantClassFunction().indented(skipFirstLine = true)}
-""".trimIndent()
-
-private val fileName = "nativeVariants.kt"
-
-private val packageName = "org.jetbrains.kotlin.gradle.plugin.mpp.pm20"
-
-private fun allKonanTargets() = KonanTarget.predefinedTargets.values
-
-private fun variantClasses() = allKonanTargets()
-    .map { variantClass(it) }
-    .joinToString("\n\n")
-
-private fun variantClass(konanTarget: KonanTarget) = """
-    abstract class ${konanTarget.variantClassName} @Inject constructor(
-        containingModule: GradleKpmModule,
-        fragmentName: String,
-        dependencyConfigurations: GradleKpmFragmentDependencyConfigurations,
-        compileDependencyConfiguration: Configuration,
-        apiElementsConfiguration: Configuration,
-        hostSpecificMetadataElementsConfiguration: Configuration?
-    ) : GradleKpmNativeVariantInternal(
-        containingModule = containingModule,
-        fragmentName = fragmentName,
-        konanTarget = KonanTarget.${konanTarget.className},
-        dependencyConfigurations = dependencyConfigurations,
-        compileDependencyConfiguration = compileDependencyConfiguration,
-        apiElementsConfiguration = apiElementsConfiguration,
-        hostSpecificMetadataElementsConfiguration = hostSpecificMetadataElementsConfiguration
-    ) {
-        companion object {
-            val constructor = GradleKpmNativeVariantConstructor(
-                KonanTarget.${konanTarget.className},
-                ${konanTarget.variantClassName}::class.java
-            ) { containingModule: GradleKpmModule,
-                fragmentName: String,
-                dependencyConfigurations: GradleKpmFragmentDependencyConfigurations,
-                compileDependencyConfiguration: Configuration,
-                apiElementsConfiguration: Configuration,
-                hostSpecificMetadataElementsConfiguration: Configuration? ->
-                containingModule.project.objects.newInstance(
-                    ${konanTarget.variantClassName}::class.java,
-                    containingModule,
-                    fragmentName,
-                    dependencyConfigurations,
-                    compileDependencyConfiguration,
-                    apiElementsConfiguration,
-                    hostSpecificMetadataElementsConfiguration
-                )
-            }
-        }
-    }
-""".trimIndent()
-
-private fun kpmVariantClassFunction(): String {
-    val konanTargetToVariant = allKonanTargets()
-        .joinToString("\n") { "KonanTarget.${it.className} -> ${it.variantClassName}::class.java" }
-
-    return """
-        internal fun kpmNativeVariantClass(konanTarget: KonanTarget): Class<out GradleKpmNativeVariantInternal>? = when (konanTarget) {
-            ${konanTargetToVariant.indented(nSpaces = 12, skipFirstLine = true)}
-            else -> null
-        }
-    """.trimIndent()
-}
-
-private fun allVariantConstructors() = allKonanTargets()
-    .joinToString(
-        prefix = "internal val allKpmNativeVariantConstructors = listOf(\n",
-        separator = ",\n",
-        postfix = "\n)"
-    ) { "${it.variantClassName}.constructor".indented() }
-
-private val KonanTarget.variantClassName
-    get() = presetName
-        .capitalizeUS()
-        .let { "GradleKpm${it}Variant" }
-
-private val KonanTarget.className get() = javaClass.simpleName