[build] Removing skipped Python tests from RBE.

Author: diemol

.skipped-tests

@@ -17,11 +17,9 @@
 -//javascript/atoms:test-chrome
 -//javascript/atoms:test-edge
 -//javascript/atoms:test-firefox-beta
--//py:common-chrome-test/selenium/webdriver/common/virtual_authenticator_tests.py
 -//py:test-chrome-test/selenium/webdriver/chrome/chrome_launcher_tests.py
 -//py:test-chrome-test/selenium/webdriver/chrome/chrome_service_tests.py
 -//py:test-chrome-test/selenium/webdriver/chrome/proxy_tests.py
--//py:unit-test/unit/selenium/webdriver/common/cdp_module_fallback_tests.py
 -//rb/spec/integration/selenium/webdriver/chrome:service-chrome
 -//rb/spec/integration/selenium/webdriver/edge:service-edge
 -//rb/spec/integration/selenium/webdriver/firefox:service-firefox