package/vorbis-tools: bump to version 1.4.2

- opusfile is an optional dependency since version 1.4.1 and
  https://github.com/xiph/vorbis-tools/commit/4e7ab1ab09d26306e8ae7a8be36f93ff8c03bc92
- Drop all patches (already in version)

https://github.com/xiph/vorbis-tools/blob/v1.4.2/CHANGES



Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>