Refactor IBM MQ scaler and remove and deprecate variables #6034

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Task	Status
The `queueManager` parameter is currently checked to see if it's filled, but it's not used elsewhere in the code. This unused code is removed.	Incomplete
The parameter `tlsDisabled` (as mentioned in the documentation) / `tls` (as mentioned in the code) will be announced as being deprecated in a further release. All other scalers use the parameter `unsafeSsl`. To maintain consistency between other scalers, we are making changes, as `unsafeSsl` already handles this functionality. `tls` will still be supported. When both variables are filled in, an error message is logged and returned. If only `tls` is filled in, its value will be assigned to `unsafeSsl`. A deprecation info message will be logged. My proposal is to tag the `tls` parameter with `deprecated=use unsafeSsl instead` in version 2.18 and remove the deprecated code.	Incomplete
Refactor the scaler to match the new metadata guidelines.	Incomplete
I have verified that my change is according to the deprecations & breaking changes policy	Completed
Tests have been added	Completed
Changelog has been updated and is aligned with our changelog requirements	Completed
A PR is opened to update the documentation on (repo) (if applicable)	Completed
Commits are signed with Developer Certificate of Origin (DCO - learn more)	Completed