Documentation: userspace-api/media: drop doubled words

Drop duplicated words in Documentation/userspace-api/media/.
This addresses the words "struct" and "value".

Signed-off-by: Randy Dunlap <[e-mail]>
Cc: Jonathan Corbet <[e-mail]>
Signed-off-by: Hans Verkuil <[e-mail]>
[[e-mail]: dev-sdr.rst: there is two -> there are two]
Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

Documentation/userspace-api/media/dvb/fe-get-info.rst

···
     File descriptor returned by :ref:`open() <frontend_f_open>`.
 
 ``argp``
-    pointer to struct struct
-    :c:type:`dvb_frontend_info`
+    pointer to struct :c:type:`dvb_frontend_info`
 
 
 Description

Documentation/userspace-api/media/v4l/buffer.rst

···
 :ref:`VIDIOC_QBUF <VIDIOC_QBUF>` and
 :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>` ioctl. In the multi-planar API,
 some plane-specific members of struct :c:type:`v4l2_buffer`,
-such as pointers and sizes for each plane, are stored in struct
-struct :c:type:`v4l2_plane` instead. In that case, struct
+such as pointers and sizes for each plane, are stored in
+struct :c:type:`v4l2_plane` instead. In that case,
 struct :c:type:`v4l2_buffer` contains an array of plane structures.
 
 Dequeued video buffers come with timestamps. The driver decides at which

Documentation/userspace-api/media/v4l/dev-osd.rst

···
 ``base`` field of struct :c:type:`v4l2_framebuffer`.
 The framebuffer device ioctl ``FBIOGET_FSCREENINFO`` returns the same
 address in the ``smem_start`` field of struct
-struct :c:type:`fb_fix_screeninfo`. The ``FBIOGET_FSCREENINFO``
+:c:type:`fb_fix_screeninfo`. The ``FBIOGET_FSCREENINFO``
 ioctl and struct :c:type:`fb_fix_screeninfo` are defined in
 the ``linux/fb.h`` header file.
 

Documentation/userspace-api/media/v4l/dev-sdr.rst

···
 ``V4L2_BUF_TYPE_SDR_CAPTURE`` or ``V4L2_BUF_TYPE_SDR_OUTPUT`` and use
 the struct :c:type:`v4l2_sdr_format` ``sdr`` member
 of the ``fmt`` union as needed per the desired operation. Currently
-there is two fields, ``pixelformat`` and ``buffersize``, of struct
+there are two fields, ``pixelformat`` and ``buffersize``, of
 struct :c:type:`v4l2_sdr_format` which are used.
 Content of the ``pixelformat`` is V4L2 FourCC code of the data format.
 The ``buffersize`` field is maximum buffer size in bytes required for

Documentation/userspace-api/media/v4l/hist-v4l2.rst

···
 1998-09-28: Revamped video standard. Made video controls individually
 enumerable.
 
-1998-10-02: The ``id`` field was removed from struct
[phone]: The ``id`` field was removed from
 struct ``video_standard`` and the color subcarrier fields were
 renamed. The :ref:`VIDIOC_QUERYSTD` ioctl was
 renamed to :ref:`VIDIOC_ENUMSTD`,
···
 
 2000-09-18: ``V4L2_BUF_TYPE_VBI`` was added. This may *break
 compatibility* as the :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>` and
-:ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctls may fail now if the struct
+:ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctls may fail now if the
 struct ``v4l2_fmt`` ``type`` field does not contain
 ``V4L2_BUF_TYPE_VBI``. In the documentation of the struct
 :c:type:`v4l2_vbi_format` ``offset`` field the

Documentation/userspace-api/media/v4l/vidioc-dqevent.rst

···
 	:ref:`v4l2_queryctrl <v4l2-queryctrl>`.
     * - __s32
       - ``default_value``
-      - The default value value of the control. See struct
+      - The default value of the control. See struct
 	:ref:`v4l2_queryctrl <v4l2-queryctrl>`.