ASoC: tas2562: Remove duplicate code for I/V sense

Remove duplicate code for programming the I/V sense the call to update
the register was duplicated in commit 09ed395b ("ASoC: tas2562:
Add voltage sense slot configuration").

Fixes: 09ed395b ("ASoC: tas2562: Add voltage sense slot configuration")
Signed-off-by: Dan Murphy <dmurphy@ti.com>
Link: https://lore.kernel.org/r/20200922142411.10364-1-dmurphy@ti.com


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