Remove HTML format settings from retrospective.qmd

Removed HTML format settings from the retrospective document.

Author: farkasvic

docs/retrospective.qmd

@@ -3,12 +3,6 @@ title: "Project Retrospective"
 subtitle: "Team 27 Reflection and Future Improvements"
 author: "Group 27"
 date: "2026-01-30"
-format:
-  html:
-    toc: true
-    toc-depth: 3
-    theme: cosmo
-    code-fold: true
 ---
 
 ## Introduction
@@ -232,4 +226,4 @@ See the [Team Workload Distribution](https://github.com/orgs/UBC-MDS/projects/32
 
 ---
 
-*This retrospective was completed on 2026-01-30 by Group 27*
+*This retrospective was completed on 2026-01-30 by Group 27*