Update dependabot.yml

Signed-off-by: eeliu <27064129+eeliu@users.noreply.github.com>

.github/dependabot.yml

@@ -1,7 +1,3 @@
-# To get started with Dependabot version updates, you'll need to specify which
-# package ecosystems to update and where the package manifests are located.
-# Please see the documentation for all configuration options:
-# https://docs.github.com/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file
 
 version: 2
 updates: