Config panel no sed

[Gredin67]

Problem

• see #356

Solution

• remove config panel settings that require a custom setter/getter

PR Status

• [ ] Code finished and ready to be reviewed/tested
• [ ] The fix/enhancement were manually tested (if applicable)

Automatic tests

Automatic tests can be triggered on https://ci-apps-dev.yunohost.org/ after creating the PR, by commenting "!testme", "!gogogadgetoci" or "By the power of systemd, I invoke The Great App CI to test this Pull Request!". (N.B. : for this to work you need to be a member of the Yunohost-Apps organization)

[Gredin67]

!testme

[yunohost-bot]

:stuck_out_tongue_winking_eye:

[Gredin67]

@Josue-T what do you think about merging this ? I could test and it works. I just left the settings requiring to handle yaml lists for a later PR.

[Gredin67]

It seems I messed up something: upgrade defaults to :scream: NOT Backing up the app before upgrading...

[Gredin67]

!testme Backup before upgrade issue should be solved by last commit

[yunohost-bot]

:rocket:

[Gredin67]

!testme

[yunohost-bot]

Alrighty!

[Gredin67]

@Josue-T do you see something against merging this ?