SDK-1050: Remove extra line in README.md

Co-Authored-By: Ed Harrod <[email protected]>

Author: davidgrayston

README.md

@@ -337,7 +337,6 @@ $ ./vendor/bin/phpunit tests
       * [X] Nationality `getNationality()->getValue()`
       * [X] Document Details `getDocumentDetails()->getValue()`
 
-
 ## Support
 
 For any questions or support please email [[email protected]](mailto:[email protected]).