base: Move gthd to recommends

Now that `sensors` outputs reasonable values as well we can safely have
people remove  it. gnome-usage has a separate Recommends: releationship
so it's can be dropped completely for crimson.

base-all

@@ -8,7 +8,6 @@ dosfstools
 f2fs-tools
 flatpak
 fonts-noto-color-emoji
-gthd
 iio-sensor-proxy
 libgl1-mesa-dri
 libmbim-utils

base-recommends-all

 gnss-share
+gthd
 librem5-fw-jail
 pcscd
 systemd-timesyncd