remove extra "additional context" section in suggest a feature

Author: Bri Achtman

.github/ISSUE_TEMPLATE/suggest-a-feature.md

@@ -18,6 +18,3 @@ A clear and concise description of any alternative solutions or features you've
 
 **Additional context**
 Add any other context or screenshots about the feature request here.
-
-**Additional context**
-Add any other context or screenshots about the feature request here.