Docs: Updated Loading Sample Data to download all datasets from S3. C…

…loses #8997 (#8999)

docs/getting-started/tutorial-load-dataset.asciidoc

@@ -4,9 +4,9 @@
 The tutorials in this section rely on the following data sets:
 
 * The complete works of William Shakespeare, suitably parsed into fields. Download this data set by clicking here:
-  https://www.elastic.co/guide/en/kibana/3.0/snippets/shakespeare.json[shakespeare.json].
+  https://download.elastic.co/demos/kibana/gettingstarted/shakespeare.json[shakespeare.json].
 * A set of fictitious accounts with randomly generated data. Download this data set by clicking here:
-  https://github.com/bly2k/files/blob/master/accounts.zip?raw=true[accounts.zip]
+  https://download.elastic.co/demos/kibana/gettingstarted/accounts.zip[accounts.zip]
 * A set of randomly generated log files. Download this data set by clicking here:
   https://download.elastic.co/demos/kibana/gettingstarted/logs.jsonl.gz[logs.jsonl.gz]