Slim down and align with our current practices (#251)

Author: theMickster

.github/PULL_REQUEST_TEMPLATE.md

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+## 🎟️ Tracking
+
+<!-- Paste the link to the Jira or GitHub issue or otherwise describe / point to where this change is coming from. -->
+
+## 📔 Objective
+
+<!-- Describe what the purpose of this PR is, for example what bug you're fixing or new feature you're adding. -->
+
+## 📸 Screenshots
+
+<!-- Required for any UI changes; delete if not applicable. Use fixed width images for better display. -->