Revert "leds: leds-qpnp-wled: reset WLED enable register in wled probe"

This reverts commit commit fb7e4c49 ("leds: leds-qpnp-wled:
reset WLED enable register in wled probe") as it turns off
display before the splash screen appears.

Change-Id: If3bb8b659716cda213d774e3c4155da3ba6680d0
Signed-off-by: Alex Sarraf <asarraf@codeaurora.org>