Remove some useless data from the Flatpak to make it smaller

flatpak/kirigami-addons.json

@@ -8,5 +8,8 @@
     "buildsystem": "cmake-ninja",
     "sources": [
         { "type": "git", "url": "https://invent.kde.org/libraries/kirigami-addons.git", "branch": "master" }
+    ],
+    "cleanup": [
+        "/lib/debug"
     ]
 }

zone.xiv.astra.yml

@@ -116,3 +116,5 @@ modules:
     sources:
       - type: dir
         path: .
+    cleanup:
+      - /lib/debug/source/astra/launcher/.rcc # debug symbols for the auto-gen C++ source for QML is useless