[gnome-color-manager] (6 commits) Non-fast-forward update to branch wip/hughsie/no-calibration

[Richard Hughes <rhughes src gnome org>]

The branch 'wip/hughsie/no-calibration' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  4f600e1... Remove the calibration tools
  609c267... Use #pragma once in headers
  a1bf379... Use SPDX-License-Identifier in source files
  855cd99... trivial: Remove unused defines

Commits added to the branch:

  73ef3bc... meson: Use m to find libm (*)
  ae0d44f... Merge branch 'wip/lantw/meson-Use-m-to-find-libm' into 'mas (*)
  5a1bf35... Remove the calibration tools
  01acafb... Use #pragma once in headers
  a68775c... Use SPDX-License-Identifier in source files
  4c00173... trivial: Remove unused defines

(*) This commit already existed in another branch; no separate mail sent