Migrate atomicfu plugin configuration

^KT-49227 In Progress

libraries/tools/atomicfu/build.gradle

@@ -1,40 +0,0 @@
-repositories {
-    mavenLocal()
-    mavenCentral()
-}
-
-apply plugin: 'kotlin'
-apply plugin: 'jps-compatible'
-
-configurePublishing(project)
-
-pill {
-    variant = 'FULL'
-}
-
-dependencies {
-    compileOnly project(':kotlin-gradle-plugin')
-    compileOnly project(':kotlin-gradle-plugin-api')
-
-    compileOnly kotlinStdlib()
-    compileOnly project(':kotlin-compiler-embeddable')
-
-    embedded(project(":kotlinx-atomicfu-compiler-plugin"))
-}
-
-jar {
-    manifestAttributes(manifest, project)
-}
-
-ArtifactsKt.runtimeJar(project, EmbeddableKt.rewriteDefaultJarDepsToShadedCompiler(project, {}), {})
-configureSourcesJar()
-configureJavadocJar()
-
-pluginBundle {
-    plugins {
-        atomicfu {
-            id = 'org.jetbrains.kotlin.plugin.atomicfu'
-            description = displayName = 'Kotlin compiler plugin for kotlinx.atomicfu library'
-        }
-    }
-}

libraries/tools/atomicfu/build.gradle.kts

@@ -0,0 +1,28 @@
+import org.jetbrains.kotlin.pill.PillExtension
+
+plugins {
+    id("gradle-plugin-common-configuration")
+    id("jps-compatible")
+}
+
+pill {
+    variant = PillExtension.Variant.FULL
+}
+
+dependencies {
+    compileOnly(project(":kotlin-gradle-plugin"))
+    compileOnly(project(":kotlin-compiler-embeddable"))
+
+    embedded(project(":kotlinx-atomicfu-compiler-plugin"))
+}
+
+gradlePlugin {
+    plugins {
+        create("atomicfu") {
+            id = "org.jetbrains.kotlin.plugin.atomicfu"
+            displayName = "Kotlin compiler plugin for kotlinx.atomicfu library"
+            description = displayName
+            implementationClass = "org.jetbrains.kotlinx.atomicfu.gradle.AtomicfuKotlinGradleSubplugin"
+        }
+    }
+}

libraries/tools/atomicfu/src/main/resources/META-INF/gradle-plugins/org.jetbrains.kotlin.plugin.atomicfu.properties

@@ -1 +0,0 @@
-implementation-class=org.jetbrains.kotlinx.atomicfu.gradle.AtomicfuKotlinGradleSubplugin