Make comment one line

Author: lauzadis

docs/dokka-presets/templates/includes/page_metadata.ftl

@@ -1,5 +1,4 @@
-<#-- Copied from Dokka: https://github.com/Kotlin/dokka/blob/3cc0b61498877f8e9025c1260f967f7e4236b301/dokka-subprojects/plugin-base/src/main/resources/dokka/templates/includes/page_metadata.ftl
-     Customized for SEO -->
+<#-- Copied from Dokka, customized for SEO: https://github.com/Kotlin/dokka/blob/3cc0b61498877f8e9025c1260f967f7e4236b301/dokka-subprojects/plugin-base/src/main/resources/dokka/templates/includes/page_metadata.ftl -->
 <#macro display>
     <title>${pageName} - AWS SDK for Kotlin</title>
     <meta name="description" content="Learn how to use ${pageName} in the AWS SDK for Kotlin">