usb: typec: tipd: Remove FIXME about testing with I2C_FUNC_I2C

The Apple i2c bus uses I2C_FUNC_I2C and I've tested this quite
extensivly in the past days. Remove the FIXME about that testing :-)

Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Sven Peter <sven@svenpeter.dev>
Link: https://lore.kernel.org/r/20210928155502.71372-7-sven@svenpeter.dev


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>