media: Documentation/driver-api: media/cec-core: drop doubled word

Drop the doubled word "the".

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

Documentation/driver-api/media/cec-core.rst

@@ -335,7 +335,7 @@ So this must work:
 	$ cat einj.txt >error-inj
 
 The first callback is called when this file is read and it should show the
-the current error injection state::
+current error injection state::
 
 	int (*error_inj_show)(struct cec_adapter *adap, struct seq_file *sf);