spi: tegra210-quad: remove redundant error handling code

Remove unnecessary error handling code that terminated transfers and
executed delay on errors. This code was redundant as error handling is
already done at a higher level in the SPI core.

Fixes: 1b8342cc ("spi: tegra210-quad: combined sequence mode")
Signed-off-by: Vishwaroop A <va@nvidia.com>
Link: https://patch.msgid.link/20250416110606.2737315-3-va@nvidia.com


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