remove unneeded newline

Mohammad Hunan Chughtai · mongodben · commit 6544ddc2810f · 2023-02-10T14:19:00.000-05:00
diff --git a/source/sdk/react-native/realm-database/schemas/index.txt b/source/sdk/react-native/realm-database/schemas/index.txt
@@ -54,4 +54,4 @@ property.
       .. literalinclude:: /examples/generated/react-native/js/Book.snippet.js-book-schema.js
          :language: javascript
          :emphasize-lines: 5
-         :linenos:
+         :linenos:
