Remove "no valid plugin descriptors were found" build-time warning

Author: vlsi

buildSrc/build.gradle.kts

@@ -19,7 +19,7 @@ import com.github.vlsi.gradle.properties.dsl.props
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 plugins {
-    java
+    `embedded-kotlin`
     `kotlin-dsl` apply false
     id("com.github.autostyle")
     id("com.github.vlsi.gradle-extensions")
@@ -41,7 +41,9 @@ allprojects {
 }
 
 fun Project.applyKotlinProjectConventions() {
-    apply(plugin = "org.gradle.kotlin.kotlin-dsl")
+    if (project != rootProject) {
+        apply(plugin = "org.gradle.kotlin.kotlin-dsl")
+    }
 
     plugins.withType<KotlinDslPlugin> {
         configure<KotlinDslPluginOptions> {