Fix broken links to SSG repos

Author: bryanbraun

src/site/generators/haunt.md

@@ -1,6 +1,5 @@
 ---
 title: Haunt
-repo: https://git.dthompson.us/haunt.git
 homepage: https://dthompson.us/projects/haunt.html
 language:
   - Guile

src/site/generators/quarto.md

@@ -1,6 +1,6 @@
 ---
 title: Quarto
-repo: https://github.com/quarto-dev/quarto-cli
+repo: quarto-dev/quarto-cli
 homepage: https://quarto.org/
 language:
     - TypeScript

src/site/generators/stog.md

@@ -1,6 +1,5 @@
 ---
 title: Stog
-repo: zoggy/stog
 homepage: https://www.good-eris.net/stog/
 language:
   - OCaml