(PE-28451) simplfy and update readme

Author: tkishel

README.md

@@ -177,22 +177,6 @@ puppetdb/master.example.com/20190404T171001Z.json: "queue_depth": 0,
 puppetdb/master.example.com/20190404T171502Z.json: "queue_depth": 0,
 ```
 
-Example for PE 2016.5 and older:
-
-```bash
-grep Cursor puppetdb/master.example.com/*.json
-
-puppetdb/master.example.com/20190404T171001Z.json: "CursorMemoryUsage": 0,
-puppetdb/master.example.com/20190404T171001Z.json: "CursorFull": false,
-puppetdb/master.example.com/20190404T171001Z.json: "CursorPercentUsage": 0,
-puppetdb/master.example.com/20190404T171502Z.json: "CursorMemoryUsage": 0,
-puppetdb/master.example.com/20190404T171502Z.json: "CursorFull": false,
-puppetdb/master.example.com/20190404T171502Z.json: "CursorPercentUsage": 0,
-puppetdb/master.example.com/20190404T172002Z.json: "CursorMemoryUsage": 0,
-puppetdb/master.example.com/20190404T172002Z.json: "CursorFull": false,
-puppetdb/master.example.com/20190404T172002Z.json: "CursorPercentUsage": 0,
-```
-
 ### Sharing Metrics Data
 
 When working with Support, you may be asked for an archive of collected metrics data.
@@ -368,17 +352,23 @@ Classify each PE Infrastructure Host with this module, specifying the following
 When classifying a Compile Master, specify these additional parameters:
 
 ```puppet
+class { 'puppet_metrics_collector':
+  puppetserver_hosts          => ['127.0.0.1'],
   puppetdb_metrics_ensure     => absent,
   orchestrator_metrics_ensure => absent,
   ace_metrics_ensure          => absent,
   bolt_metrics_ensure         => absent,
+}
 ```
 
 When classifying a PuppetDB Host, specify these additional parameters:
 
 ```puppet
+class { 'puppet_metrics_collector':
+  puppetdb_hosts              => ['127.0.0.1'],
   puppetserver_metrics_ensure => absent,
   orchestrator_metrics_ensure => absent,
   ace_metrics_ensure          => absent,
   bolt_metrics_ensure         => absent,
+}
 ```