CORE-4067 Revert "core-4063 make data link warning msg more prominent."

This reverts commit d177540571759e18bdd4c6742b9e1bcc602d2c0c in order to remove the duplicate message.
(cherry picked from commit 976fe154db810f007da1dbd18a4e5d899ca227b1)
CORE-4067 Updated data link warning message.

Added styles from CORE-4063 (d177540571759e18bdd4c6742b9e1bcc602d2c0c) to the warning message in DataLinkPanel.ui.xml.(cherry picked from commit 0aa692b5dec035c13e60e849aba3984e525bb31c)