[gnome-backgrounds] default: OCD tweaks + optipng

[Jakub Steiner <jimmac src gnome org>]

commit e7b5eedc735696460bf6ce203aa60a018571ace5
Author: Jakub Steiner <jimmac gmail com>
Date:   Tue Jan 26 16:37:06 2021 +0100

    default: OCD tweaks + optipng

 backgrounds/adwaita-day.png     | Bin 7417775 -> 5730380 bytes
 backgrounds/adwaita-morning.png | Bin 3252081 -> 7204631 bytes
 backgrounds/adwaita-night.png   | Bin 1963185 -> 984166 bytes
 3 files changed, 0 insertions(+), 0 deletions(-)
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diff --git a/backgrounds/adwaita-day.png b/backgrounds/adwaita-day.png
index bca1a07..70f7b90 100644
Binary files a/backgrounds/adwaita-day.png and b/backgrounds/adwaita-day.png differ
diff --git a/backgrounds/adwaita-morning.png b/backgrounds/adwaita-morning.png
index e01063e..8029689 100644
Binary files a/backgrounds/adwaita-morning.png and b/backgrounds/adwaita-morning.png differ
diff --git a/backgrounds/adwaita-night.png b/backgrounds/adwaita-night.png
index abc592a..54a9847 100644
Binary files a/backgrounds/adwaita-night.png and b/backgrounds/adwaita-night.png differ