Removed tray_manager standalone option

tray_manager.py

@@ -535,10 +535,3 @@ class TrayManager():
     class Lang():
         def __init__(self, lang: str):
             self.lang = ""
-
-if __name__ == "__main__":
-    from os import chdir as __os_chdir
-    from os.path import dirname as __os_path_dirname
-
-    __os_chdir(__os_path_dirname(__file__))
-    tray = TrayManager()