Fix variadic type docs ...again

PhpStorm changed its mind how it wants these documenting in 2018.1, and apparently the correct syntax follows the PHP code.

src/pocketmine/utils/Color.php

@@ -104,7 +104,7 @@ class Color{
 	/**
 	 * Mixes the supplied list of colours together to produce a result colour.
 	 *
-	 * @param Color[] ...$colors
+	 * @param Color ...$colors
 	 * @return Color
 	 */
 	public static function mix(Color ...$colors) : Color{

src/pocketmine/utils/UUID.php

@@ -73,7 +73,7 @@ class UUID{
 	/**
 	 * Creates an UUIDv3 from binary data or list of binary data
 	 *
-	 * @param string[] ...$data
+	 * @param string ...$data
 	 * @return UUID
 	 */
 	public static function fromData(string ...$data) : UUID{