DevStory | remove FlexiPlugEntryPoint.OnRegistration

[AnnaSasDev]

The Who - What - Why of it all

As the EngineDev
I want to remove the OnRegistration method and move this on a per asset invokation

Additional Context

No response

Dev-Side Criteria

No response

Ducky awareness

• I hereby accept that this issue form might be thrown into the void by the developer. This isn't out of maliciousness or anything like that. Most likely they just forgot that this was a thing, and already implemented it, or have decided they are going to push it down the sprint cycles, untill the great ducky in the sky forces them to work on this issue.
• I am a ducky