minor #1876 [LazyImage] Fix code block rendering in docs (mttsch)

This PR was merged into the 2.x branch.

Discussion
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[LazyImage] Fix code block rendering in docs

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| Issues        |
| License       | MIT

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Commits
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676f8d5 [LazyImage] Fix code block rendering in docs

Author: kbond

src/LazyImage/doc/index.rst

@@ -109,9 +109,7 @@ Customizing images fetching
 By default, ``data_uri_thumbnail`` fetches images using the `file_get_contents`_ function.
 It works well for local files, but you may want to customize it to fetch images from a remote server, `Flysystem`_, etc.
 
-To do so you can create a invokable class, the first argument is the filename to fetch:
-
-.. ::
+To do so you can create a invokable class, the first argument is the filename to fetch::
 
     namespace App\BlurHash;