The constructor() concept doesn't exist

Did it ever?

plugins/ledger/ledger.py

@@ -424,9 +424,6 @@ class LedgerPlugin(BasePlugin):
         self.wallet = None
         self.handler = None
 
-    def constructor(self, s):
-        return BTChipWallet(s)
-
     def is_enabled(self):
         if not BTCHIP:
             return False