Don't hardcode Ubuntu font name in Settings > Details

[Jeremy Bícha]

Impact
------
On the About screen found in Settings > Details, the distro name and version (Ubuntu 18.04 LTS) is hard-coded to use the Ubuntu font.

While the rest of the distro-logo.patch (or ubuntu-gnome-version.patch) has a reasonable chance of being applied upstream, that tweak would need to be a permanent Ubuntu patch.

The Ubuntu patch causes an issue for derivatives that are not Ubuntu like System76's Pop!_OS. They could remove or modify the Ubuntu patch, but it might be nicer to derivatives if they didn't need to do that.

Test Case
---------
1. From Ubuntu 18.04 LTS, open the Activities Overview.
2. Enter About and open the Settings > About screen.

Does the Ubuntu version number look ok?

3. Install GNOME Tweaks
4. Open GNOME Tweaks. Switch to the Fonts page and change the interface font to a recognizable font.
5. Look at the Settings > About window. Does the Ubuntu version number use that font?

Regression Potential
--------------------
Users that use custom fonts won't have the Ubuntu font represent the Ubuntu version number.

[Launchpad Janitor (janitor)]

This bug was fixed in the package gnome-control-center - 1:3.28.1-0ubuntu2

---------------
gnome-control-center (1:3.28.1-0ubuntu2) cosmic; urgency=medium

  * Rename ubuntu-gnome-version.patch to distro-logo.patch for proposed
    upstreaming to Debian. Drop the hardcoded use of the Ubuntu font.
    (LP: #1770473)
  * debian/control.in:
    - Drop now unnecessary fonts-ubuntu dependency
    - Don't recommend libnss-myhostname since systemd-resolved handles this
      functionality (LP: #1766575)
    - Demote network-manager-gnome dependency back to recommends
      (LP: #1770673)
    - Depend on system-config-printer instead of system-config-printer-common
      for the Additional Printer Settings button (LP: #1770695)
  * Add 0007-fix-open-last-page.patch:
    - Proposed patch fixes the "open last opened page" feature for Devices and
      Details pages (LP: #1770699)

 -- Jeremy Bicha <email address hidden> Fri, 11 May 2018 12:59:17 -0400

[Sebastien Bacher (seb128)]

It's minor and doesn't need to be actively targetted and didn't move since mai, wontfixing for now for bionic but feel free to upload/change the status if you are still interested