ASoC: codec: tpa6130a2: Remove tpa6130a2_platform_data

There is no in-tree user to create the device using platform data
'struct tpa6130a2_platform_data', so drop the dead code.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Link: https://patch.msgid.link/20250414-asoc-tpa6130a2-v1-2-5f4052e656a0@nxp.com


Signed-off-by: Mark Brown <broonie@kernel.org>