docs: update PULL_REQUEST_TEMPLATE.md (#17)

Author: bjohansebas

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,7 +1,3 @@
----
-labels: require-triage
----
-
 <!--
 Thank you for your pull request. Please provide a description and 
 note the Certificate of Origin below. 
@@ -34,4 +30,4 @@ By making a contribution to this project, I certify that:
     personal information I submit with it, including my sign-off) is
     maintained indefinitely and may be redistributed consistent with
     this project or the open source license(s) involved.
--->
+-->