Protobuf: deleted debugging code from native test proto_repeated_zigzag.kt

translator/src/test/kotlin/tests/kotlin/proto_repeated_zigzag.kt

@@ -545,7 +545,3 @@ fun testArraysOfDefaultValues(): Int {
     val msg = MessageRepeatedZigZag.BuilderMessageRepeatedZigZag(intArr, longArr).build()
     return checkRepZZSerializationIdentity(msg)
 }
-
-fun main(args: Array<String>) {
-    println(testRepZigZag())
-}