Merge pull request #7 from BranchMetrics/INFRA-9760

INFRA-9760 updated reference to legacy TUNE SDKs

Author: samtingleff

help/global_lp.html

@@ -303,7 +303,7 @@ <h4 class="bds-txt-bold bds-pad-b-xxs bds-txt-grey">Developer Docs</h4>
                       <li class="bds-pad-b-xxs"><a href="/developers-hub/docs/deep-linking-api">Deep Linking API</a></li>
                     </ul>
                   </li>
-                  <li class="bds-pad-b-xxs"><a href="https://tune.docs.branch.io/">Legacy TUNE SDKs</a></li>
+                  <li class="bds-pad-b-xxs"><a href="https://help.branch.io/faq/docs/tune-migration-guide">Legacy TUNE SDKs</a></li>
                 </ul>
               </div>
             </div>