remove unused config global function

Signed-off-by: strawberry <strawberry@puppygock.gay>

src/service/globals/mod.rs

@@ -307,13 +307,6 @@ impl Service<'_> {
         self.config.allow_guest_registration
     }
 
-    pub fn yes_i_am_very_very_sure_i_want_an_open_registration_server_prone_to_abuse(
-        &self,
-    ) -> bool {
-        self.config
-            .yes_i_am_very_very_sure_i_want_an_open_registration_server_prone_to_abuse
-    }
-
     pub fn allow_encryption(&self) -> bool {
         self.config.allow_encryption
     }