"2021-11" is completely unnecessary at this point, and adding that the
kernel must be upgraded regularly is redundant with the requirement of
3 kernel releases and a lot less objective. So keep the objective
wording and remove the one very up for interpretation.
Signed-off-by: Pablo Correa Gómez <pabloyoyoista@postmarketos.org>
Part-of: <https://gitlab.postmarketos.org/postmarketOS/pmaports/-/merge_requests/8505>
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