refactor: remove config unused config dir

fastanime/configs/general_settings_panel.json

@@ -1,28 +0,0 @@
-[
-  {
-    "type": "title",
-    "title": "Preferences"
-  },
-  {
-    "type": "string",
-    "title": "Theme Color",
-    "desc": "Sets the theme color to be used for the app for more info on valid theme names refer to help",
-    "section": "Preferences",
-    "key": "theme_color"
-  },
-  {
-    "type": "options",
-    "title": "Theme Style",
-    "desc": "Sets the app to dark or light theme",
-    "section": "Preferences",
-    "key": "theme_style",
-    "options": ["Light", "Dark"]
-  },
-  {
-    "type": "path",
-    "title": "Downloads Directory",
-    "desc": "location to download your videos",
-    "section": "Preferences",
-    "key": "downloads_dir"
-  }
-]