Bundle only the required pygame icon files

Author: ankith26

src_py/meson.build

@@ -29,11 +29,12 @@ endif
 
 data_files = files(
     'freesansbold.ttf',
-    'pygame.ico',
     'pygame_icon.bmp',
-    'pygame_icon.icns',
-    'pygame_icon_mac.bmp',
 )
+if plat == 'mac'
+    data_files += 'pygame_icon_mac.bmp'
+endif
+
 install_data(data_files, install_dir: pg_dir, install_tag: 'pg-tag')
 
 subdir('_sdl2')