media: docs: don't show ToC for each part on PDF output

The "Table of Contents" of a PDF file is generated only once,
at the beginning fo the output. It doesn't produce it on
each part.

So, don't output this text on each part of the document.

Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

Documentation/media/cec-drivers/index.rst

···
 
 For more details see the file COPYING in the source distribution of Linux.
 
-.. class:: toc-title
+.. only:: html
+
+    .. class:: toc-title
 
         Table of Contents
 

Documentation/media/dvb-drivers/index.rst

···
 
 For more details see the file COPYING in the source distribution of Linux.
 
-.. class:: toc-title
+.. only:: html
+
+   .. class:: toc-title
 
 	Table of Contents
 

Documentation/media/media_kapi.rst

···
 
 For more details see the file COPYING in the source distribution of Linux.
 
-.. class:: toc-title
+.. only:: html
+
+   .. class:: toc-title
 
         Table of Contents
 

Documentation/media/media_uapi.rst

···
 the license is included in the chapter entitled "GNU Free Documentation
 License".
 
-.. class:: toc-title
+.. only:: html
+
+   .. class:: toc-title
 
         Table of Contents
 

Documentation/media/uapi/cec/cec-api.rst

···
 
 This part describes the CEC: Consumer Electronics Control
 
-.. class:: toc-title
+
+.. only:: html
+
+   .. class:: toc-title
 
         Table of Contents
 

Documentation/media/uapi/dvb/dvbapi.rst

···
 
 **Version 5.10**
 
-.. class:: toc-title
+.. only:: html
+
+   .. class:: toc-title
 
         Table of Contents
 

Documentation/media/uapi/mediactl/media-controller.rst

···
 Part IV - Media Controller API
 ##############################
 
-.. class:: toc-title
+.. only:: html
+
+   .. class:: toc-title
 
         Table of Contents
 

Documentation/media/uapi/rc/remote_controllers.rst

···
 Part III - Remote Controller API
 ################################
 
-.. class:: toc-title
+.. only:: html
+
+   .. class:: toc-title
 
         Table of Contents
 

Documentation/media/uapi/v4l/v4l2.rst

···
 
 **Revision 4.5**
 
-.. class:: toc-title
+.. only:: html
+
+   .. class:: toc-title
 
         Table of Contents
 

Documentation/media/v4l-drivers/index.rst

···
 
 For more details see the file COPYING in the source distribution of Linux.
 
-.. class:: toc-title
+.. only:: html
+
+   .. class:: toc-title
 
         Table of Contents