Input: ims-pcu - drop repeated "input" in error message

This case of the common error message upon failure of
input_allocate_device() repeats the word "input".

Drop one "input" from the error message.

Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Reviewed-by: Kees Cook <kees@kernel.org>
Link: https://lore.kernel.org/r/20240619-ims-pcu-counted_by-v1-2-3ee0ead2e57d@gmail.com


Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>