Remove the capability check in the Composer repository transformer.

The capability check would have allowed packages or individual releases to be
filtered from display in packages.json, but it assumes the transformer would
only ever be used in the Composer route. Removing the capability check makes it
possible to use the transformer in other scenarios.

src/Transformer/ComposerRepositoryTransformer.php

@@ -117,11 +117,6 @@ protected function transform_item( Package $package ): array {
 		$data = [];
 
 		foreach ( $package->get_releases() as $release ) {
-			// Skip if the current user can't view this release.
-			if ( ! current_user_can( Capabilities::VIEW_PACKAGE, $package, $release ) ) {
-				continue;
-			}
-
 			// Cache the release in case an artifact doesn't already exist for
 			// the installed version.
 			if ( $package->is_installed() && $package->is_installed_release( $release ) ) {