[PATCH] configs: imx8mn_venice.h: remove unused ifdef

[sbabic at denx.de]

> remove unused ifdef left behind after commit ca3369df71d8
> ("configs: drop CONFIG_SPL_ABORT_ON_RAW_IMAGE")
> Signed-off-by: Tim Harvey <tharvey at gateworks.com>
Applied to u-boot-imx, master, thanks !

Best regards,
Stefano Babic

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