Uploader: enable selecting multiple files on mobile devices (still doesn't work on Android). See #28640.

git-svn-id: https://develop.svn.wordpress.org/trunk@28847 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-admin/includes/media.php

@@ -1772,11 +1772,6 @@ $plupload_init = array(
 	'multipart_params'    => $post_params,
 );
 
-// Multi-file uploading doesn't currently work in iOS Safari,
-// single-file allows the built-in camera to be used as source for images
-if ( wp_is_mobile() )
-	$plupload_init['multi_selection'] = false;
-
 /**
  * Filter the default Plupload settings.
  *

src/wp-includes/media.php

@@ -2501,11 +2501,6 @@ function wp_plupload_default_settings() {
 		),
 	);
 
-	// Multi-file uploading doesn't currently work in iOS Safari,
-	// single-file allows the built-in camera to be used as source for images
-	if ( wp_is_mobile() )
-		$defaults['multi_selection'] = false;
-
 	/**
 	 * Filter the Plupload default settings.
 	 *