Fix tests not to duplicate array constructor definitions as they are available now in builtins.

compiler/testData/diagnostics/tests/shadowing/ShadowMultiDeclarationWithFunParameter.kt

@@ -1,6 +1,3 @@
-// !DIAGNOSTICS: -UNUSED_PARAMETER
-public inline fun <reified T> Array(n: Int, block: (Int) -> T): Array<T> = null!!
-
 class A {
     operator fun component1() = 42
     operator fun component2() = 42

compiler/testData/diagnostics/tests/shadowing/ShadowMultiDeclarationWithFunParameter.txt

@@ -1,6 +1,5 @@
 package
 
-public inline fun </*0*/ reified T> Array(/*0*/ n: kotlin.Int, /*1*/ block: (kotlin.Int) -> T): kotlin.Array<T>
 public fun foo(/*0*/ a: A, /*1*/ c: kotlin.Int): kotlin.Unit
 
 public final class A {