Merge pull request #160 from atsansone/DOCSP-15950

(DOCSP-15950) Remove mLab page

Author: atsansone

config/redirects

@@ -4,6 +4,7 @@ raw: tutorials/install-mongodb-on-mac -> https://docs.mongodb.com/manual/tutoria
 raw: tutorials/ -> https://docs.mongodb.com/manual/
 raw: tutorials/cloud/atlas -> https://docs.mongodb.com/guides/cloud/account/
 raw: guides/cloud/atlas -> https://docs.mongodb.com/guides/cloud/account/
+raw: guides/cloud/migrate-from-mlab -> https://docs.mongodb.com/guides/cloud/account/
 raw: tutorials/cloud/fts-stitch-sample-app -> https://developer.mongodb.com/how-to/build-movie-search-application/
 raw: guides/cloud/fts-stitch-sample-app -> https://developer.mongodb.com/how-to/build-movie-search-application/
 raw: tutorials/cloud/atlas-search-stitch-sample-app -> https://developer.mongodb.com/how-to/build-movie-search-application/