Remove need for useSuccessResponseCode:true in 4.x major release

[devnev]

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Expected Behavior

As on #723, but enabled by default with the new major version bump.

Current Behavior

Back in #723 / #850 we added an option to make TSOA use the specified success codes by default, but left it as an option to avoid breaking anyone accidentally relying on current behaviour, despite the behaviour with the option intended likely being the expected behaviour.

Possible Solution

Remove the option entirely and have TSOA behave as if the option were enabled, in other words use the status code by default but allow overriding from the controller.

Context (Environment)

Version of the library: 3.9
Version of NodeJS: 14

• Confirm you were using yarn not npm: [x]

Breaking change?

Yes