Revert "led: leds-qpnp: Enable individual flash LED control"

This reverts commit aeb34dca15d877d036c3d183ca0d453728e9f492.

Change-Id: I8d47bd07d5d281001c8dfae79f7bab9639c1343d
Signed-off-by: Shruthi Krishna <skrish@codeaurora.org>