[tali] Update snap for gnome-3-34 extension

[Mart Raudsepp <mraudsepp src gnome org>]

commit 7811bbf8a21bd77d6c207f3253cd7fd03813e313
Author: Heather Ellsworth <hellsworth gnome org>
Date:   Wed Apr 8 10:36:05 2020 -0600

    Update snap for gnome-3-34 extension

 snap/snapcraft.yaml | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)
---
diff --git a/snap/snapcraft.yaml b/snap/snapcraft.yaml
index a48b574..d3911fc 100644
--- a/snap/snapcraft.yaml
+++ b/snap/snapcraft.yaml
@@ -23,9 +23,7 @@ slots:
 apps:
   tali:
     command: usr/bin/tali
-    extensions: [gnome-3-28]
-    plugs:
-      - gsettings
+    extensions: [gnome-3-34]
     desktop: usr/share/applications/org.gnome.Tali.desktop
 
 parts:
@@ -43,11 +41,6 @@ parts:
     organize:
       snap/tali/current/usr: usr
     build-packages:
-      - gettext
-      - itstool
-      - libglib2.0-dev
       - libgnome-games-support-1-dev
-      - libgtk-3-dev
-      - librsvg2-dev
     stage-packages:
       - libgnome-games-support-1-3