Report UNUSED_PARAMETER on main parameter in 1.3+ #KT-26999 Fixed

compiler/testData/diagnostics/tests/scopes/invisibleSetter.kt

@@ -3,7 +3,7 @@ class A<T> {
         private set
 }
 
-fun main(args: Array<String>) {
+fun main() {
     val a = A<Any>()
     <!INVISIBLE_SETTER!>a.x<!> = 1
 }

compiler/testData/diagnostics/tests/scopes/invisibleSetter.txt

@@ -1,6 +1,6 @@
 package
 
-public fun main(/*0*/ args: kotlin.Array<kotlin.String>): kotlin.Unit
+public fun main(): kotlin.Unit
 
 public final class A</*0*/ T> {
     public constructor A</*0*/ T>()