[media] doc-rst: fix media kAPI documentation

I ended by adding twice each media header, because I saw some
missing stuff at the documents. It seems it was my mistake,
as everything seems to be there.

So, remove those extra stuff, to avoid duplicating the
documentation of the functions.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
diff --git a/Documentation/media/kapi/dtv-core.rst b/Documentation/media/kapi/dtv-core.rst
index 3291190..11da77e 100644
--- a/Documentation/media/kapi/dtv-core.rst
+++ b/Documentation/media/kapi/dtv-core.rst
@@ -130,7 +130,3 @@
 ----------------------------------
 
 .. kernel-doc:: drivers/media/dvb-core/dvb_ca_en50221.h
-
-
-.. kernel-doc:: drivers/media/dvb-core/dvb_ca_en50221.h
-   :export: drivers/media/dvb-core/dvb_ca_en50221.c
diff --git a/Documentation/media/kapi/mc-core.rst b/Documentation/media/kapi/mc-core.rst
index 2ab541b..c1fe0d6 100644
--- a/Documentation/media/kapi/mc-core.rst
+++ b/Documentation/media/kapi/mc-core.rst
@@ -261,11 +261,3 @@
 .. kernel-doc:: include/media/media-devnode.h
 
 .. kernel-doc:: include/media/media-entity.h
-
-
-
-.. kernel-doc:: include/media/media-device.h
-   :export: drivers/media/media-device.c
-
-.. kernel-doc:: include/media/media-entity.h
-   :export: drivers/media/media-entity.c
diff --git a/Documentation/media/kapi/rc-core.rst b/Documentation/media/kapi/rc-core.rst
index 9c244ac..a458958 100644
--- a/Documentation/media/kapi/rc-core.rst
+++ b/Documentation/media/kapi/rc-core.rst
@@ -6,8 +6,7 @@
 
 .. kernel-doc:: include/media/rc-core.h
 
-.. kernel-doc:: include/media/rc-core.h include/media/rc-map.h
-   :export: drivers/media/rc/rc-main.c drivers/media/rc/rc-raw.c
+.. kernel-doc:: include/media/rc-map.h
 
 LIRC
 ~~~~
diff --git a/Documentation/media/kapi/v4l2-core.rst b/Documentation/media/kapi/v4l2-core.rst
index 4e2aa72..a1b73e8 100644
--- a/Documentation/media/kapi/v4l2-core.rst
+++ b/Documentation/media/kapi/v4l2-core.rst
@@ -34,24 +34,3 @@
 .. kernel-doc:: include/media/videobuf2-v4l2.h
 
 .. kernel-doc:: include/media/videobuf2-memops.h
-
-
-
-
-.. kernel-doc:: include/media/tveeprom.h
-   :export: drivers/media/common/tveeprom.c
-
-.. kernel-doc:: include/media/v4l2-ctrls.h
-   :export: drivers/media/v4l2-core/v4l2-ctrls.c
-
-.. kernel-doc:: include/media/v4l2-dv-timings.h
-   :export: drivers/media/v4l2-core/v4l2-dv-timings.c
-
-.. kernel-doc:: include/media/v4l2-flash-led-class.h
-   :export: drivers/media/v4l2-core/v4l2-flash-led-class.c
-
-.. kernel-doc:: include/media/v4l2-mc.h
-   :export: drivers/media/v4l2-core/v4l2-mc.c
-
-.. kernel-doc:: include/media/videobuf2-core.h
-   :export: drivers/media/v4l2-core/videobuf2-core.c