Update PR template.

Author: ntoll

.github/pull_request_template.md

@@ -1,18 +1,3 @@
-<!-- 
-  This repository does not accept pull requests through the normal process. 
-  PRs without the 'pre-approved' label will be automatically closed. If you are learning about this repository
-  and are following the steps, then you need to make changes in your own account.
-  
-  If you need this PR to be merged, you have two options:
-
-  1. Label this PR with the 'pre-approved' label if you have admin or enough privileges
-
-  or
-
-  2. Tag alfredodeza to take a look
-
-  Thank you for your understanding!
--->
 Please add a reference/link to the issue to which this PR is linked. Do not
 create a PR for a new feature without first opening an issue in which we can
 first discuss your proposed change. We ask you do this to avoid the situation