The image size has been changed to prevent failures in routers and bootloop
when flashing a large image using a stock bootloader. The LED trigger
package has been removed for 1910, which is no longer in use.

Signed-off-by: Anton Yu. Ivanusev <ivanusevanton@yandex.ru>
Link: https://github.com/openwrt/openwrt/pull/17630


Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>