drv/motor: remove extraneous interrupt disable

On Move hub, this was moved to the counter driver and no longer belongs
in the motor driver. On the City hub, this is not used at all and was
probably copied from the Move hub.

Author: dlech

lib/pbio/drv/city_hub/motor.c

@@ -205,9 +205,6 @@ void _pbdrv_motor_deinit(void) {
     GPIOC->BRR = GPIO_BRR_BR_7;
     GPIOC->MODER = (GPIOC->MODER & ~GPIO_MODER_MODER9_Msk) | (1 << GPIO_MODER_MODER9_Pos);
     GPIOC->BRR = GPIO_BRR_BR_9;
-
-    // disable tacho irq
-    NVIC_DisableIRQ(EXTI0_1_IRQn);
 }
 #endif
 

lib/pbio/drv/move_hub/motor.c

@@ -322,9 +322,6 @@ void _pbdrv_motor_deinit(void) {
     GPIOC->BRR = GPIO_BRR_BR_7;
     GPIOC->MODER = (GPIOC->MODER & ~GPIO_MODER_MODER9_Msk) | (1 << GPIO_MODER_MODER9_Pos);
     GPIOC->BRR = GPIO_BRR_BR_9;
-
-    // disable tacho irq
-    NVIC_DisableIRQ(EXTI0_1_IRQn);
 }
 #endif