Remove '--exclude-mail' from links.yml workflow

Remove the '--exclude-mail' argument from the links check.

Author: djpbarry

.github/workflows/links.yml

@@ -25,7 +25,6 @@ jobs:
             --verbose
             --no-progress
             --accept 200,206,429
-            --exclude-mail
             --max-concurrency 4
             './**/*.md'
             './**/*.html'