media: media-device.h: drop duplicated word in comment

Delete the doubled word "the" in a comment.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

include/media/media-device.h

@@ -128,7 +128,7 @@ struct media_device_ops {
  *
  * Use-case: find tuner entity connected to the decoder
  * entity and check if it is available, and activate the
- * the link between them from @enable_source and deactivate
+ * link between them from @enable_source and deactivate
  * from @disable_source.
  *
  * .. note::