[gnome-screenshot] metainfo: Crop screenshots

[Alexander Mikhaylenko <alexm src gnome org>]

commit 1870214775b4a0bed66dfcf511c2f12985be82d4
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Fri Aug 7 16:47:46 2020 +0500

    metainfo: Crop screenshots
    
    Yeah, I thought just removing shadow from 'decoration' would do it and
    forgot it also had a margin.

 data/screenshots/gnome-screenshot-3.38-1.png | Bin 19817 -> 25992 bytes
 data/screenshots/gnome-screenshot-3.38-2.png | Bin 94136 -> 95697 bytes
 2 files changed, 0 insertions(+), 0 deletions(-)
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diff --git a/data/screenshots/gnome-screenshot-3.38-1.png b/data/screenshots/gnome-screenshot-3.38-1.png
index 27311b2..66bdabb 100644
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diff --git a/data/screenshots/gnome-screenshot-3.38-2.png b/data/screenshots/gnome-screenshot-3.38-2.png
index e18b743..05315b9 100644
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b/data/screenshots/gnome-screenshot-3.38-2.png differ