links.md: remove duplicate line

diff --git a/_includes/links.md b/_includes/links.md
index 2fb9f74cf4378a6a39f07995bae41882093a3f27..be88dac871cd99a2e3512046296cab3add04cbe4 100644 (file)
--- a/_includes/links.md
+++ b/_includes/links.md
@@ -4,7 +4,6 @@
 [coc-reporting]: https://docs.carpentries.org/topic_folders/policies/code-of-conduct.html#reporting-guidelines
 [coc]: https://docs.carpentries.org/topic_folders/policies/code-of-conduct.html
 [concept-maps]: https://carpentries.github.io/instructor-training/05-memory/
-[concept-maps]: https://carpentries.github.io/instructor-training/05-memory/
 [contrib-covenant]: https://contributor-covenant.org/
 [contributing]: {{ site.github.repository_url }}/blob/gh-pages/CONTRIBUTING.md
 [cran-checkpoint]: https://cran.r-project.org/package=checkpoint