New GitHub issue templates (#39979)

New GitHub issue templates (#39979)

* Remove the duplicate security issue link.
Since there is a security.md file present in the repo GitHub will automatically link to that when someone tries to create a new issue.

* Remove a practically unused issue template

* Initial commit of the new yml issue template

* delete the older issue template.

* Initial commit for the mapping issue template

* Fix the template names... potato...

* And the description...

* Removed the automatic labeling