Remove extraneous grammar period which breaks the compare URL (#1252)

* Remove extraneous grammar period which breaks the compare URL

* Update data/reusables/repositories/two-dot-diff-comparison-example-urls.md

Co-authored-by: Nick Schonning <nschonni@gmail.com>

Co-authored-by: Nick Schonning <nschonni@gmail.com>
Co-authored-by: hubwriter <hubwriter@github.com>

data/reusables/repositories/two-dot-diff-comparison-example-urls.md

@@ -1 +1 @@
-For example, this URL uses the shortened seven-character SHA codes to compare commits `c3a414e` and `faf7c6f`: `https://github.com/github/linguist/compare/c3a414e..faf7c6f.`
+For example, this URL uses the shortened seven-character SHA codes to compare commits `c3a414e` and `faf7c6f`: `https://github.com/github/linguist/compare/c3a414e..faf7c6f`.