text: Title: Remove `selenium` dependency
  Body: Hey,
  
  Driverless isnt using Selenium (anymore?), but its still an dependency:
  
  > Traceback (most recent call last):
  >   File "C:\Users\...\...\main.py", line 3, in <module>
  >     from selenium_driverless import webdriver
  >   File "C:\Users\...\...\.venv\Lib\site-packages\selenium_driverless\webdriver.py", line 43, in <module>
  >     from selenium_driverless.scripts.switch_to import SwitchTo
  >   File "C:\Users\...\...\.venv\Lib\site-packages\selenium_driverless\scripts\switch_to.py", line 29, in <module>
  >     from selenium_driverless.types.target import TargetInfo, Target
  >   File "C:\Users\...\...\.venv\Lib\site-packages\selenium_driverless\types\target.py", line 26, in <module>
  >     from selenium_driverless.utils.utils import safe_wrap_fut
  >   File "C:\Users\....\....\.venv\Lib\site-packages\selenium_driverless\utils\utils.py", line 10, in <module>
  >     import selenium
  > ModuleNotFoundError: No module named 'selenium'
  
  Would be nice to be able to get rid of Selenium :) 