tests: remove estimate_tx_size

tests/device_tests/test_protection_levels.py

@@ -158,12 +158,6 @@ class TestProtectionLevels(common.TrezorTest):
                 binascii.unhexlify('209e23edf0e4e47ff1dec27f32cd78c50e74ef018ee8a6adf35ae17c7a9b0dd96f48b493fd7dbab03efb6f439c6383c9523b3bbc5f1a7d158a6af90ab154e9be80'),
                 'This is an example of a signed message.')
 
-    def test_estimate_txsize(self):
-        with self.client:
-            self.setup_mnemonic_pin_passphrase()
-            self.client.set_expected_responses([proto.TxSize()])
-            self.client.estimate_tx_size('Bitcoin', [], [])
-
     """
     def test_simplesigntx(self):
         self.setup_mnemonic_pin_passphrase()

trezorlib/client.py

@@ -712,15 +712,6 @@ class ProtocolMixin(object):
                                               ask_on_decrypt=ask_on_decrypt,
                                               iv=iv))
 
-    @field('tx_size')
-    @expect(proto.TxSize)
-    def estimate_tx_size(self, coin_name, inputs, outputs):
-        msg = proto.EstimateTxSize()
-        msg.coin_name = coin_name
-        msg.inputs_count = len(inputs)
-        msg.outputs_count = len(outputs)
-        return self.call(msg)
-
     def _prepare_simple_sign_tx(self, coin_name, inputs, outputs):
         msg = proto.SimpleSignTx()
         msg.coin_name = coin_name