remove extra line (#6655)

eng/scripts/release-template/go.md

@@ -6,4 +6,3 @@ sidebar: releases_sidebar
 repository: Azure/azure-sdk-for-go
 ---
 {% include releases/notes/common.md language="go" date="%%yyyy-MM%%" displayDate="%%MMMM yyyy%%" %}
-The Azure SDK team is pleased to make available the %%MMMM yyyy%% client library release.