Deprecate the use of browser profile when instantiating a session

Author: AutomatedTester

py/selenium/webdriver/remote/webdriver.py

@@ -90,6 +90,9 @@ def __init__(self, command_executor='http://127.0.0.1:4444/wd/hub',
         self.capabilities = {}
         self.error_handler = ErrorHandler()
         self.start_client()
+        if browser_profile is not None:
+            warnings.warn("Please use FirefoxOptions to set browser profile",
+                          DeprecationWarning)
         self.start_session(desired_capabilities, browser_profile)
         self._switch_to = SwitchTo(self)
         self._mobile = Mobile(self)