Remove comment code lines

Remove comment code lines

PyODBCConnector.initialize just super from Connector, no need to redeclare, so I guess that's why they are commented before.

<!-- Provide a general summary of your proposed changes in the Title field above -->

### Description
<!-- Describe your changes in detail -->

Remove the useless comment code lines.

### Checklist
<!-- go over following points. check them with an `x` if they do apply, (they turn into clickable checkboxes once the PR is submitted, so no need to do everything at once)

-->

This pull request is:

- [x] A documentation / typographical error fix
	- Good to go, no issue or tests are needed
- [ ] A short code fix
	- please include the issue number, and create an issue if none exists, which
	  must include a complete example of the issue.  one line code fixes without an
	  issue and demonstration will not be accepted.
	- Please include: `Fixes: #<issue number>` in the commit message
	- please include tests.   one line code fixes without tests will not be accepted.
- [ ] A new feature implementation
	- please include the issue number, and create an issue if none exists, which must
	  include a complete example of how the feature would look.
	- Please include: `Fixes: #<issue number>` in the commit message
	- please include tests.

**Have a nice day!**

Closes: #5475
Pull-request: https://github.com/sqlalchemy/sqlalchemy/pull/5475
Pull-request-sha: 23176a7f0316d74407492c2bb299c88924ed0868

Change-Id: If94bb6275c30015e3aaa1519471b7d9bcda18bf8