Esp32-snippets: Support removing services

[jim-ber]

Currently, there is no way to remove a service that we have added to the server.

That would be useful for applications that change the GATT Server services during runtime.

[chegewara]

I will try to add this when i end with
https://github.com/nkolban/esp32-snippets/issues/532

[chegewara]

Sorry it takes so long but i am busy with paid projects. I will try to add this this week, but no promise.

[chegewara]

@jim-ber Could you try this before i make PR?
https://github.com/chegewara/esp32-snippets

[jim-ber]

@chegewara I'll do that today. Thanks for all your work!

Let you know what I find.

[jim-ber]

I'm making a few changes tonight and i'll let you know.

[jim-ber]

@chegewara Added a few changes to how we are deleting the services. Make sure we stop them before we delete them. Mind taking a look at it?

https://github.com/jim-ber/esp32-snippets

[chegewara]

@jim-ber It looks pretty solid, did you test it with some example code?
I think you can make PR

[hansmbakker]

@jim-ber I see you made a PR to fix this, thank you! Could you please close this issue to keep the issue list clean?