chore: 🧑‍💻 simplify the PR template (#80)

## Description

Just to make it a bit easier to work with.

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Author: lwjohnst86

.github/pull_request_template.md

@@ -1,10 +1,9 @@
-## Description
+# Description
 
 This PR DESCRIBE CHANGES.
 
 Closes #
 
-<!-- Select quick/in-depth as necessary -->
 This PR needs a quick/an in-depth review.
 
 ## Checklist