adjust formatting of metainfo file

dist/linux/common/org.cryptomator.Cryptomator.metainfo.xml

@@ -68,7 +68,6 @@
 	<developer id="de.skymatic">
 		<name>Skymatic GmbH</name>
 	</developer>
-		
 
 	<content_rating type="oars-1.1">
 		<content_attribute id="social-info">mild</content_attribute> <!-- update checker connects to https://api.cryptomator.org/updates/latestVersion.json -->