remove false statement about socket IDs in user events (fixes #4016)

nicegui/functions/navigate.py

@@ -49,7 +49,6 @@ class Navigate:
 
         Note: When using an `auto-index page </documentation/section_pages_routing#auto-index_page>`_ (e.g. no `@page` decorator),
         all clients (i.e. browsers) connected to the page will open the target URL unless a socket is specified.
-        User events like button clicks provide such a socket.
 
         :param target: page function, NiceGUI element on the same page or string that is a an absolute URL or relative path from base URL
         :param new_tab: whether to open the target in a new tab (might be blocked by the browser)