[Gradle] Fix unused parameter warnings related to the legacy JS target

KT-64275

libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/dsl/KotlinProjectExtension.kt

@@ -248,7 +248,6 @@ abstract class KotlinJsProjectExtension(project: Project) :
 
     @Suppress("DEPRECATION")
     private fun jsInternal(
-        compiler: KotlinJsCompilerType? = null,
         body: KotlinJsTargetDsl.() -> Unit,
     ): KotlinJsTargetDsl {
         if (!targetFuture.isCompleted) {
@@ -266,9 +265,10 @@ abstract class KotlinJsProjectExtension(project: Project) :
     }
 
     fun js(
+        @Suppress("UNUSED_PARAMETER") // KT-64275
         compiler: KotlinJsCompilerType = defaultJsCompilerType,
         body: KotlinJsTargetDsl.() -> Unit = { },
-    ): KotlinJsTargetDsl = jsInternal(compiler, body)
+    ): KotlinJsTargetDsl = jsInternal(body)
 
     fun js(
         compiler: String,

libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/dsl/KotlinTargetContainerWithJsPresetFunctions.kt

@@ -20,7 +20,6 @@ interface KotlinTargetContainerWithJsPresetFunctions :
         configure: KotlinJsTargetDsl.() -> Unit = { }
     ): KotlinJsTargetDsl = jsInternal(
         name,
-        compiler,
         configure
     )
 
@@ -78,7 +77,6 @@ interface KotlinTargetContainerWithJsPresetFunctions :
 
 private fun KotlinTargetContainerWithJsPresetFunctions.jsInternal(
     name: String = "js",
-    compiler: KotlinJsCompilerType? = null,
     configure: KotlinJsTargetDsl.() -> Unit
 ): KotlinJsTargetDsl {
     @Suppress("UNCHECKED_CAST", "DEPRECATION")