update metainfo screenshot

scripts/gen-appdata-xml.scm

@@ -183,13 +183,7 @@ various plugin and file formats.")
                        (@ (type "source"))
                        "@MAIN_SCREENSHOT_URL@")
                      (caption
-                       "Main window with plugins"))
-                   (screenshot
-                     (image
-                       (@ (type "source"))
-                       "@MAIN_SCREENSHOT2_URL@")
-                     (caption
-                       "Main window with detached panels")))
+                       "Main window with plugins")))
                  (update_contact "alex_at_zrythm.org")
                  (keywords
                    (keyword "Zrythm")

scripts/meson.build

@@ -11,8 +11,7 @@ scripts_conf = {
   'USER_MANUAL_URL': 'https://manual.zrythm.org/en/index.html',
   'TRANSLATE_URL': 'https://hosted.weblate.org/engage/zrythm/',
   'CONTACT_URL': 'https://www.zrythm.org/en/community.html#contact',
-  'MAIN_SCREENSHOT_URL': 'https://www.zrythm.org/static/images/screenshots/mar-16-2022.png',
-  'MAIN_SCREENSHOT2_URL': 'https://www.zrythm.org/static/images/screenshots/mar-8-2022.png',
+  'MAIN_SCREENSHOT_URL': 'https://www.zrythm.org/static/images/screenshots/apr-14-2022.png',
   }
 if os_windows
   scripts_conf += { 'GUILE': 'guile' }