Use kotlin stdlib from platform

build.gradle.kts

@@ -12,10 +12,6 @@ repositories {
     mavenCentral()
 }
 
-dependencies {
-    implementation(kotlin("stdlib"))
-}
-
 // See https://github.com/JetBrains/gradle-intellij-plugin/
 intellij {
     pluginName.set(properties("pluginName"))

gradle.properties

@@ -4,3 +4,8 @@ pluginGroup = de.idetools
 pluginName = filename_template
 pluginVersion = 1.2.0-213
 platformVersion = 2021.3
+
+# Opt-out flag for bundling Kotlin standard library.
+# See https://plugins.jetbrains.com/docs/intellij/kotlin.html#kotlin-standard-library for details.
+# suppress inspection "UnusedProperty"
+kotlin.stdlib.default.dependency = false