[py] removed redundant attributes capabilities and set_capability in wpewebkit/options.py (#12169)

* added type hints to all the methods in Select class

* fixed lynting error by moving standard import to the beginning

* fixed import formatting issue in Select class

* optimized _get_longest_token method in Select class

* added driver types to types.py

* added type hints to all conditions in expected_conditions.py

* resolved merge conflict

* moved driver types to select.py

* added driver types to expected_conditions.py

* moved driver types to expected_conditions.py

* removed driver imports to fix circular import

* fixed typo

* resolved

* removed empty line

* fixed typo

* removed duplicate import

* fixed incorrect return types for couple of conditions

* fixed lynting error by breaking different imports from typing module into different lines

* fixed lynting errors

* made formatting changes

* added type hints to all the methods in Select class

* fixed lynting error by moving standard import to the beginning

* fixed all formatting issues

* added newline after standard import in select.py

* added type hints to all conditions in expected_conditions.py

* resolved merge conflicts

* resolved merge conflicts

* made formatting changes

* fixed all formatting issues

* mapped all error codes and its corresponding exception classes to dictionary

* fixed formatting issue

* fixed error_handler_tests.py to do a dictionary lookup

* restored errorhandler.py

* restored error_handler_tests.py

* fixed typo in error_handler_test.py

* clean up

* removed redundant getter and setter method in wpewebkit/options.py

* replaced set_capability method into setter in common/options.py

* fixed typo

* added comment

* fixed lynting error

* Revert "removed redundant getter and setter method in wpewebkit/options.py"

This reverts commit 15feb5c.

* revereted the changes made to Options class

* reverted options.py

---------

Co-authored-by: Diego Molina <diemol@users.noreply.github.com>

Author: sandeepsuryaprasad

py/selenium/webdriver/wpewebkit/options.py

@@ -27,14 +27,6 @@ def __init__(self) -> None:
         self._binary_location = ""
         self._caps = DesiredCapabilities.WPEWEBKIT.copy()
 
-    @property
-    def capabilities(self):
-        return self._caps
-
-    def set_capability(self, name, value) -> None:
-        """Sets a capability."""
-        self._caps[name] = value
-
     @property
     def binary_location(self) -> str:
         """Returns the location of the browser binary otherwise an empty