media: s5p-mfc: Delete an error message for a failed memory allocation

Omit an extra message for a memory allocation failure in s5p_mfc_probe()
function.  This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>