Add vPortRemoveInterruptHandler API (#533)
Add vPortRemoveInterruptHandler API (#533)

* Add xPortRemoveInterruptHandler API

This API is added to the MicroBlazeV9 port. It enables the application
writer to remove an interrupt handler.

This was originally contributed in this PR - https://github.com/FreeRTOS/FreeRTOS-Kernel/pull/523

* Change API signature to return void

This makes the API similar to vPortDisableInterrupt.

Signed-off-by: Gaurav Aggarwal <d1bf49c91a2534b91ae70bd4037813434c35a59c@amazon.com>

Co-authored-by: Gavin Lambert <c1ed70c3945ef01b5e419f5ba7fa6ebe521e1a14@users.noreply.github.com>
FreeRTOS/FreeRTOS-Kernel,FreeRTOS/FreeRTOS-Kernel