Make Array<T>(size, init) a constructor of Array

It's not marked as inline, this is why 'crossinline' was added in
jaggedArray.kt/jaggedDeep.kt. Will be fixed in the following commits

js/js.libraries/src/core/kotlin.kt

@@ -2,18 +2,6 @@ package kotlin
 
 import java.util.*
 
-// TODO: @library("arrayFromFun")
-/**
- * Returns an array with the specified [size], where each element is calculated by calling the specified
- * [init] function. The `init` function returns an array element given its index.
- */
-public inline fun <reified T> Array(size: Int, init: (Int) -> T): Array<T> {
-    val result = arrayOfNulls<T>(size)
-    for (i in 0..size - 1)
-        result[i] = init(i)
-    return result as Array<T>
-}
-
 /**
  * Returns an empty array of the specified type [T].
  */