Fix gradle test for endorsed libraries in K/N (#3953)

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/native-endorsed/src/hostMain/kotlin/main.kt

@@ -2,9 +2,6 @@ import kotlinx.cli.*
 
 fun main(args: Array<String>) {
     val argParser = ArgParser("test")
-    val mode by argParser.option(
-        ArgType.Choice(listOf("video", "audio", "both")), shortName = "m", description = "Play mode")
-        .default("both")
     val size by argParser.option(ArgType.Int, shortName = "s", description = "Required size of videoplayer window")
         .delimiter(",")
     val fileName by argParser.argument(ArgType.String, description = "File to play")