staging: media: imgu: Remove extra type detail

Remove unwanted variable type detail as detected by checkpatch script.

Signed-off-by: Deepak R Varma <mh12gx2825@gmail.com>
Reviewed-by: Stefano Brivio <sbrivio@redhat.com>
Link: https://lore.kernel.org/r/20200313182754.GA20501@deeUbuntu


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>