Fixed metadata file bug

Signed-off-by: MaFeLP <60669873+MaFeLP@users.noreply.github.com>

assets/pokete.metainfo.xml

@@ -11,7 +11,6 @@
       Pokete is a small terminal based game in the style of a very popular and old game by Gamefreak. Imagine you're a Pokete-Trainer and your goal is it to run around in the world and catch/train as many Poketes as possible and to get the best trainer.
     </p>
   </description>
-  <icon type="stock">com.github.lxgr_linux.pokete</icon>
   <categories>
     <category>Game</category>
   </categories>
@@ -23,11 +22,9 @@
   </keywords>
   <url type="homepage">https://github.com/lxgr-linux/pokete/</url>
   <url type="bugtracker">https://github.com/lxgr-linux/pokete/issues</url>
-  <url type="contribute">https://github.com/lxgr-linux/pokete/#contributing</url>
-  <url type="vcs-browser">https://github.com/lxgr-linux/pokete/</url>
   <provides>
-          <binary>com.github.lxgr_linux.pokete</binary>
+    <binary>com.github.lxgr_linux.pokete</binary>
   </provides>
-  <launchable type="desktop-id">com.github.lxgr_linux.pokete</launchable>
+  <launchable type="desktop-id">com.github.lxgr_linux.pokete.desktop</launchable>
 </component>