boards/nucleo-g431rb/qenco: reduce FLASH

disable ostest from qenco configuration to reduce FLASH.

Signed-off-by: raiden00pl <[email protected]>

Author: raiden00pl

boards/arm/stm32/nucleo-g431rb/configs/qenco/defconfig

@@ -54,6 +54,4 @@ CONFIG_STM32_TIM2_QEPSC=0
 CONFIG_STM32_USART2=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_TASK_NAME_SIZE=0
-CONFIG_TESTING_OSTEST=y
-CONFIG_TESTING_OSTEST_STACKSIZE=1024
 CONFIG_USART2_SERIAL_CONSOLE=y