Revert "leds: leds-qpnp: Set the strobe bit correctly for flash led"

This reverts commit 2b03a5844e1627545ab95c7bad5d7b873c14160f.
Revert "leds: leds-qpnp: Reset WLED enable register in wled init function"

This reverts commit 2ee6b91b50b797ff8c219545f76f888e43fd642a.