MAINTAINERS: delete entry for AXXIA I2C

The maintainer's email address bounced and he wasn't active for 4 years.
Delete this entry and fall back to the generic I2C host drivers entry.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20250213162950.45596-2-wsa+renesas@sang-engineering.com


Signed-off-by: Andi Shyti <andi.shyti@kernel.org>