Don't generate desktop file form metainfo

Validator was complaining about having an icon in the metainfo, but we
need the icon there to generate the desktop file. idk what to do about
that so I removed the desktop file generator

data/cafe.avery.Delfin.desktop.in

@@ -0,0 +1,7 @@
+[Desktop Entry]
+Type=Application
+Name=Delfin
+Comment=Stream movies and TV shows from Jellyfin
+Icon=@APP_ID@
+Exec=delfin
+Categories=AudioVideo;Video;Player;TV;GTK;GNOME

data/cafe.avery.Delfin.metainfo.xml.in

@@ -68,8 +68,6 @@
 
   <launchable type="desktop-id">@APP_ID@.desktop</launchable>
 
-  <icon type="stock">@APP_ID@</icon>
-
   <categories>
     <category>AudioVideo</category>
     <category>Video</category>

data/meson.build

@@ -29,15 +29,17 @@ install_data(
   install_dir: metainfodir,
 )
 
-desktop_file = '@0@.desktop'.format(app_id)
+desktop_file = configure_file(
+  input: 'cafe.avery.Delfin.desktop.in',
+  output: '@0@.desktop'.format(app_id),
+  configuration: {
+    'APP_ID': app_id,
+  },
+)
 
-# Create desktop-entry file from metainfo
-custom_target('gen-desktop-entry',
-    input : [metainfo_file],
-    output : [desktop_file],
-    command : [ascli_exe, 'make-desktop-file', '@INPUT@', '@OUTPUT@'],
-    install: true,
-    install_dir: appsdir,
+install_data(
+  desktop_file,
+  install_dir: appsdir,
 )
 
 resources_file = configure_file(
@@ -49,7 +51,7 @@ resources_file = configure_file(
 )
 
 # Compile and install resources
-resources = gnome.compile_resources(
+gnome.compile_resources(
   'resources',
   resources_file,
   gresource_bundle: true,