Metadata: remove duplicate of MATE desktop

Fixes #597

src/app/data/assets/metadata.json

@@ -185,21 +185,6 @@
             "</p>"
         ]
     },
-    {
-        "subvariant": "mate",
-        "category": "spins",
-        "name": "Fedora MATE-Compiz Desktop",
-        "summary": "A classic Fedora Desktop with an additional 3D Windows Manager.",
-        "icon": "qrc:/logos/mate",
-        "screenshots": [ "https://spins.fedoraproject.org/static/images/screenshots/screenshot-matecompiz.jpg" ],
-        "description": [
-            "<p>",
-            "The MATE Compiz spin bundles MATE Desktop with Compiz Fusion. MATE Desktop is a lightweight, powerful desktop designed with productivity and performance in mind. The default windows manager is Marco which is usable for all machines and VMs. Compiz Fusion is a beautiful 3D windowing manager with Emerald and GTK+ theming.",
-            "</p><p>",
-            "If you want a powerful, lightweight Fedora desktop with 3D eyecandy you should definitely try the MATE-Compiz spin.",
-            "</p>"
-        ]
-    },
     {
         "subvariant": "cinnamon",
         "category": "spins",
@@ -267,6 +252,8 @@
         "category": "spins",
         "name": "Fedora MATE-Compiz Desktop",
         "summary": "A classic Fedora Desktop with an additional 3D Windows Manager.",
+        "icon": "qrc:/logos/mate",
+        "screenshots": [ "https://spins.fedoraproject.org/static/images/screenshots/screenshot-matecompiz.jpg" ],
         "description": [
             "<p>",
             "The MATE Compiz spin bundles MATE Desktop with Compiz Fusion. MATE Desktop is a lightweight, powerful desktop designed with productivity and performance in mind. The default windows manager is Marco which is usable for all machines and VMs. Compiz Fusion is a beautiful 3D windowing manager with Emerald and GTK+ theming.",