ARM: S3C2440: Remove state_mem constraints for the pcf50633 regulators on GTA02

The pcf50633 regulator driver does not use the state_mem constraints,
so there is no use in setting them.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>