trezor and clones: rm dead code

see Electron-Cash/Electron-Cash#872
see Electron-Cash/Electron-Cash#874

electrum/plugins/keepkey/keepkey.py

@@ -345,11 +345,7 @@ class KeepKeyPlugin(HW_PluginBase):
                         txinputtype.script_type = self.get_keepkey_input_script_type(txin['type'])
                     else:
                         def f(x_pubkey):
-                            if is_xpubkey(x_pubkey):
-                                xpub, s = parse_xpubkey(x_pubkey)
-                            else:
-                                xpub = xpub_from_pubkey(0, bfh(x_pubkey))
-                                s = []
+                            xpub, s = parse_xpubkey(x_pubkey)
                             return self._make_node_path(xpub, s)
                         pubkeys = list(map(f, x_pubkeys))
                         multisig = self.types.MultisigRedeemScriptType(

electrum/plugins/safe_t/safe_t.py

@@ -354,11 +354,7 @@ class SafeTPlugin(HW_PluginBase):
                         txinputtype.script_type = self.get_safet_input_script_type(txin['type'])
                     else:
                         def f(x_pubkey):
-                            if is_xpubkey(x_pubkey):
-                                xpub, s = parse_xpubkey(x_pubkey)
-                            else:
-                                xpub = xpub_from_pubkey(0, bfh(x_pubkey))
-                                s = []
+                            xpub, s = parse_xpubkey(x_pubkey)
                             return self._make_node_path(xpub, s)
                         pubkeys = list(map(f, x_pubkeys))
                         multisig = self.types.MultisigRedeemScriptType(

electrum/plugins/trezor/trezor.py

@@ -365,11 +365,7 @@ class TrezorPlugin(HW_PluginBase):
                         txinputtype.script_type = self.get_trezor_input_script_type(txin['type'])
                     else:
                         def f(x_pubkey):
-                            if is_xpubkey(x_pubkey):
-                                xpub, s = parse_xpubkey(x_pubkey)
-                            else:
-                                xpub = xpub_from_pubkey(0, bfh(x_pubkey))
-                                s = []
+                            xpub, s = parse_xpubkey(x_pubkey)
                             return self._make_node_path(xpub, s)
                         pubkeys = list(map(f, x_pubkeys))
                         multisig = self.types.MultisigRedeemScriptType(

electrum/transaction.py

@@ -742,7 +742,6 @@ class Transaction:
                     j = pubkeys.index(pubkey_hex)
                     print_error("adding sig", i, j, pubkey_hex, sig)
                     self.add_signature_to_txin(i, j, sig)
-                    #self._inputs[i]['x_pubkeys'][j] = pubkey
                     break
         # redo raw
         self.raw = self.serialize()