mimetype in .desktop

assets/flatpak/net.pixieditor.PixiEditor.desktop

@@ -7,6 +7,7 @@ StartupWMClass=pixieditor
 Terminal=false
 Type=Application
 Categories=Graphics;2DGraphics;RasterGraphics;VectorGraphics
+MimeType=application/x-pixi;image/jpeg;image/png;image/gif;image/bmp;image/webp;image/svg+xml;font/otf;font/ttf;
 GenericName=2D Editor
 SingleMainWindow=true
 Keywords=editor;image;2d;graphics;design;vector;raster;

assets/flatpak/net.pixieditor.PixiEditor.metainfo.xml

@@ -19,19 +19,6 @@
     <display_length compare="ge">768</display_length>
   </requires>
 
-  <provides>
-    <mediatype>application/x-pixi</mediatype>
-    <mediatype>image/png</mediatype>
-    <mediatype>image/jpeg</mediatype>
-    <mediatype>image/bmp</mediatype>
-    <mediatype>image/webp</mediatype>
-    <mediatype>image/svg+xml</mediatype>
-    <mediatype>image/gif</mediatype>
-    <mediatype>font/otf</mediatype>
-    <mediatype>font/ttf</mediatype>
-    <mediatype>video/mp4</mediatype>
-  </provides>
-
   <url type="homepage">https://pixieditor.net</url>
   <url type="bugtracker">https://github.com/PixiEditor/PixiEditor/issues</url>
   <url type="donation">https://pixieditor.net/download</url>