ASoC: codecs: Use resource managed function calls during irq exit

wcd_init_irq uses resource managed irq addition. Similarly,
use resource managed irq deletion in wcd_irq_exit.

Change-Id: I67c702c1d2fbec0c7fd496672fae03a82cb63048
Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>