Fix recent service discovery changes for old-style service provider

Previously only module-info was changed when the user directory
provider was replacted with the application directory provider.

The required change to the old-style services manifest was missed.

Author: caprica

src/main/resources/META-INF/services/uk.co.caprica.vlcj.factory.discovery.provider.DiscoveryDirectoryProvider

@@ -1,8 +1,8 @@
+uk.co.caprica.vlcj.factory.discovery.provider.AppDirDirectoryProvider
 uk.co.caprica.vlcj.factory.discovery.provider.ConfigDirConfigFileDiscoveryDirectoryProvider
 uk.co.caprica.vlcj.factory.discovery.provider.JnaLibraryPathDirectoryProvider
 uk.co.caprica.vlcj.factory.discovery.provider.LinuxWellKnownDirectoryProvider
 uk.co.caprica.vlcj.factory.discovery.provider.MacOsWellKnownDirectoryProvider
 uk.co.caprica.vlcj.factory.discovery.provider.SystemPathDirectoryProvider
 uk.co.caprica.vlcj.factory.discovery.provider.UserDirConfigFileDiscoveryDirectoryProvider
-uk.co.caprica.vlcj.factory.discovery.provider.UserDirDirectoryProvider
 uk.co.caprica.vlcj.factory.discovery.provider.WindowsInstallDirectoryProvider