delete all characters that results in the page being rendered incorrectly in the m2-2050-g40 boot logs (#462)

* delete "�[41;33m ===> Do flow flush <=== �[0m"

it causes the rest of the page (https://hack-gpon.org/ont-yotc-m2-2050-g40/) to be rendered incorrectly.

* delete "�[41;33m ===> Do flow flush <=== �[0m" 

it causes the rest of the page (https://hack-gpon.org/ont-yotc-m2-2050-g40/) to be rendered incorrectly.

* delete all characters that results in the end being rendered incorrectly

* delete all characters that results in the end being rendered incorrectly

Author: lmepisowifi