[media] docs-rst: get rid of code-block inside tables

There are two tables with a C code-block inside it. Unfortunately,
that causes LaTeX output to break. Yet, there's nothing special
there, so let's remove the code-block from them.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

Documentation/media/uapi/v4l/vidioc-enum-fmt.rst

@@ -105,11 +105,8 @@ one until ``EINVAL`` is returned.
 
        -  :cspan:`2`
 
-
 	  .. _v4l2-fourcc:
-	  .. code-block:: c
-
-	      #define v4l2_fourcc(a,b,c,d) (((__u32)(a)<<0)|((__u32)(b)<<8)|((__u32)(c)<<16)|((__u32)(d)<<24))
+	  ``#define v4l2_fourcc(a,b,c,d) (((__u32)(a)<<0)|((__u32)(b)<<8)|((__u32)(c)<<16)|((__u32)(d)<<24))``
 
 	  Several image formats are already defined by this specification in
 	  :ref:`pixfmt`.

Documentation/media/uapi/v4l/vidioc-querycap.rst

@@ -117,17 +117,11 @@ specification the ioctl returns an ``EINVAL`` error code.
 
        -  :cspan:`2`
 
+	  ``#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))``
 
-	  .. code-block:: c
+	  ``__u32 version = KERNEL_VERSION(0, 8, 1);``
 
-	      #define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
-
-	      __u32 version = KERNEL_VERSION(0, 8, 1);
-
-	      printf ("Version: %u.%u.%u\\n",
-		  (version >> 16) & 0xFF,
-		  (version >> 8) & 0xFF,
-		   version & 0xFF);
+	  ``printf ("Version: %u.%u.%u\\n", (version >> 16) & 0xFF, (version >> 8) & 0xFF, version & 0xFF);``
 
     -  .. row 6