Deleted unused function SendCommand in python wrapper

The function SendCommand was never used in run_py_tests.py and would
error whenever called due to passing bad params. Since the function is
not used, rather than fixing the function this changelist deletes it

R=johnchen@chromium.org

Change-Id: I161c965f21f5150976305ca78be7c734178b6fc6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1678884Reviewed-by: John Chen <johnchen@chromium.org>
Commit-Queue: Julian Kung <juliankung@google.com>
Cr-Commit-Position: refs/heads/master@{#672650}

chrome/test/chromedriver/client/chromedriver.py

@@ -605,10 +605,6 @@ class ChromeDriver(object):
     params = {'parameters': {'type': connection_type}}
     return self.ExecuteCommand(Command.SET_NETWORK_CONNECTION, params)
 
-  def SendCommand(self, cmd, cmd_params):
-    params = {'parameters': {'cmd': cmd, 'params': cmd_params}};
-    return self.ExecuteCommand(Command.SEND_COMMAND, params)
-
   def SendCommandAndGetResult(self, cmd, cmd_params):
     params = {'cmd': cmd, 'params': cmd_params};
     return self.ExecuteCommand(Command.SEND_COMMAND_AND_GET_RESULT, params)

chrome/test/chromedriver/client/command_executor.py

@@ -171,8 +171,6 @@ class Command(object):
   STATUS = (_Method.GET, '/status')
   SET_NETWORK_CONNECTION = (
       _Method.POST, '/session/:sessionId/network_connection')
-  SEND_COMMAND = (
-      _Method.POST, '/session/:sessionId/chromium/send_command')
   SEND_COMMAND_AND_GET_RESULT = (
       _Method.POST, '/session/:sessionId/chromium/send_command_and_get_result')
   GENERATE_TEST_REPORT = (