Fix maven build + ~50 compiler tests broken by UNUSED_PARAMETER in main

compiler/testData/cli/js/simple2js.kt

@@ -1 +1 @@
-fun main(args: Array<String>) {}
+fun main() {}

compiler/testData/cli/js/withLib.kt

@@ -1,7 +1,7 @@
 import kotlin.Pair
 import library.sample.*
 
-fun main(args: Array<String>) {
+fun main() {
     val p = Pair(10, 20)
     val x = pairAdd(p)
     println("x=$x")

compiler/testData/cli/jvm/jvm8Target.kt

@@ -2,6 +2,6 @@ interface A {
     fun test() = "OK"
 }
 
-fun main(args: Array<String>) {
+fun main() {
     println(object : A {}.test())
 }

compiler/testData/cli/jvm/kotlinHomeWithoutStdlib.out

@@ -1,10 +1,7 @@
 warning: unable to find kotlin-stdlib.jar in the Kotlin home directory. Pass either '-no-stdlib' to prevent adding it to the classpath, or the correct '-kotlin-home'
 warning: unable to find kotlin-script-runtime.jar in the Kotlin home directory. Pass either '-no-stdlib' to prevent adding it to the classpath, or the correct '-kotlin-home'
 warning: unable to find kotlin-reflect.jar in the Kotlin home directory. Pass either '-no-reflect' or '-no-stdlib' to prevent adding it to the classpath, or the correct '-kotlin-home'
-compiler/testData/cli/jvm/simple.kt:1:16: error: unresolved reference: Array
-fun main(args: Array<String>) = println("hello world")
-               ^
-compiler/testData/cli/jvm/simple.kt:1:33: error: unresolved reference: println
-fun main(args: Array<String>) = println("hello world")
-                                ^
+compiler/testData/cli/jvm/simple.kt:1:14: error: unresolved reference: println
+fun main() = println("hello world")
+             ^
 COMPILATION_ERROR

compiler/testData/cli/jvm/kt22304_2.kt

@@ -2,7 +2,7 @@ package beforeTest //package name should be less than imported one
 
 import test.*
 
-fun main(args: Array<String>) {
+fun main() {
     "O".switchMapOnce {
 
         "K".switchMapOnce {

compiler/testData/cli/jvm/simple.kt

@@ -1 +1 @@
-fun main(args: Array<String>) = println("hello world")
+fun main() = println("hello world")