power: supply: pcf50633: Remove charger

The pcf50633 was used as part of the OpenMoko devices but
the support for its main chip was recently removed in:
commit 61b7f892 ("ARM: s3c: remove all s3c24xx support")

See https://lore.kernel.org/all/Z8z236h4B5A6Ki3D@gallifrey/



Remove it.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Link: https://lore.kernel.org/r/20250311014959.743322-7-linux@treblig.org


Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>