staging: fbtft: remove unused bl_ops from fbtft_unregister_backlight
staging: fbtft: remove unused bl_ops from fbtft_unregister_backlight

The only usage of bl_ops variable in fbtft_unregister_backlight function
was assigment of a value to that variable, therefore the assignment and
the variable itself can be safely removed

Signed-off-by: Mike Rapoport <02f830dbf959efedb9bcd138695cba2d1753984b@gmail.com>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linuxfoundation.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs