ci: update lychee action, remove old config file

Author: elopez

.github/workflows/markdown.yml

@@ -18,9 +18,9 @@ jobs:
          path: .lycheecache
          key: cache-lychee-${{ github.sha }}
          restore-keys: cache-lychee-
-    - uses: lycheeverse/lychee-action@f613c4a64e50d792e0b31ec34bbcbba12263c6a6 # for v2.3.0
+    - uses: lycheeverse/lychee-action@a8c4c7cb88f0c7386610c35eb25108e448569cb0 # for v2.7.0
       with:
-        args: --base . -a 100..=103,200..=299,403,429 --verbose --no-progress --cache --max-cache-age 1d --scheme http --scheme https './**/*.md' './layout/shortcodes/fuzzing/*.html'
+        args: -a 200..=204,403,429 --verbose --no-progress --cache --max-cache-age 1d --scheme http --scheme https './**/*.md' './layout/shortcodes/fuzzing/*.html'
         fail: true
   # Lint Markdown files
   # Uses: a custom configuration file