Update MongoAutoConfiguration to create a `MongoClient` bean rather than `Mongo` and update `MongoDataAutoConfiguration` to remove the call to the deprecated `SimpleMongoDbFactory`. Fixes gh-3105 Closes gh-3126
Update MongoAutoConfiguration to create a `MongoClient` bean rather than `Mongo` and update `MongoDataAutoConfiguration` to remove the call to the deprecated `SimpleMongoDbFactory`. Fixes gh-3105 Closes gh-3126