Removed a 'if' sentence than prevents a Store class couldn't be added if it is...

Removed a 'if' sentence than prevents a Store class couldn't be added if it is named with a namespace instead with the sspmod_<module>_Store_<class> way.

lib/SimpleSAML/Store.php

@@ -47,9 +47,6 @@ abstract class SimpleSAML_Store {
 			self::$instance = new SimpleSAML_Store_SQL();
 			break;
 		default:
-			if (strpos($storeType, ':') === FALSE) {
-				throw new SimpleSAML_Error_Exception('Unknown datastore type: ' . var_export($storeType, TRUE));
-			}
 			/* Datastore from module. */
 			$className = SimpleSAML_Module::resolveClass($storeType, 'Store', 'SimpleSAML_Store');
 			self::$instance = new $className();