tests: drivers: nrfx_integration_test: remove deleted configs

Removed instance specific I2S config symbols.

Signed-off-by: Jakub Zymelka <[email protected]>

Author: jaz1-nordic

tests/drivers/nrfx_integration_test/Kconfig

@@ -25,7 +25,6 @@ config NRFX_ALL_DRIVERS
 	select NRFX_GPIOTE130	if HAS_HW_NRF_GPIOTE130
 	select NRFX_GPIOTE131	if HAS_HW_NRF_GPIOTE131
 	select NRFX_GPPI
-	select NRFX_I2S		if HAS_HW_NRF_I2S
 	select NRFX_IPC		if HAS_HW_NRF_IPC
 	select NRFX_LPCOMP	if HAS_HW_NRF_LPCOMP
 	select NRFX_NFCT	if HAS_HW_NRF_NFCT