[DOCS] Removed X-Pack installation info (elastic/x-pack-elasticsearch#4299)

Original commit: elastic/x-pack-elasticsearch@5af83b7531

docs/en/ml/configuring.asciidoc

@@ -3,8 +3,8 @@
 
 If you want to use {xpackml} features, there must be at least one {ml} node in
 your cluster and all master-eligible nodes must have {ml} enabled. By default,
-when you install {xpack}, all nodes are {ml} nodes. For more information about
-these settings, see <<xpack-settings>>.
+all nodes are {ml} nodes. For more information about these settings, see
+<<xpack-settings>>.
 
 To use the {xpackml} features to analyze your data, you must create a job and
 send your data to that job.

docs/en/ml/getting-started.asciidoc

@@ -31,10 +31,7 @@ components of the Elastic Stack:
 * {es} {version}, which stores the data and the analysis results
 * {xpack} {version}, which includes the {ml} features for both {es} and {kib}
 * {kib} {version}, which provides a helpful user interface for creating and
-viewing jobs +
-
-//ll {ml} features are available to use as an API, however this tutorial
-//will focus on using the {ml} tab in the {kib} UI.
+viewing jobs
 
 See the https://www.elastic.co/support/matrix[Elastic Support Matrix] for
 information about supported operating systems.
@@ -47,13 +44,12 @@ single VM or even on your laptop (requires 64-bit OS).
 As you add more data and your traffic grows,
 you'll want to replace the single {es} instance with a cluster.
 
-When you install {xpack} into {es} and {kib}, the {ml} features are
-enabled by default. If you have multiple nodes in your cluster, you can
-optionally dedicate nodes to specific purposes. If you want to control which
-nodes are _machine learning nodes_ or limit which nodes run resource-intensive
+When you install {es} and {kib}, the {ml} features are enabled by default. If
+you have multiple nodes in your cluster, you can optionally dedicate nodes to
+specific purposes. If you want to control which nodes are
+_machine learning nodes_ or limit which nodes run resource-intensive
 activity related to jobs, see <<xpack-settings>>.
 
-
 [float]
 [[ml-gs-users]]
 ==== Users, Roles, and Privileges

docs/en/settings/sql-settings.asciidoc

@@ -5,7 +5,7 @@
 <titleabbrev>SQL Access Settings</titleabbrev>
 ++++
 
-SQL Access is enabled by default when you install {xpack}. You can configure
+SQL Access is enabled by default. You can configure
 these SQL Access settings in the `elasticsearch.yml` file.
 
 [float]
@@ -13,5 +13,3 @@ these SQL Access settings in the `elasticsearch.yml` file.
 ==== General SQL Access Settings
 `xpack.sql.enabled`::
 Set to `false` to disable SQL Access on the node.
-
-

docs/en/setup/setup-xes.asciidoc

@@ -5,9 +5,15 @@
 [partintro]
 --
 {xpack} is an Elastic Stack extension that bundles security, alerting,
-monitoring, reporting, machine learning, and graph capabilities into one
-easy-to-install package. To access this functionality, you must
-<<installing-xpack-es,install {xpack} in {es}>>.
+monitoring, reporting, machine learning, and graph capabilities.
+
+* <<installing-xpack-es>>
+* <<configuring-monitoring>>
+* <<configuring-security>>
+* <<setup-xpack-client>>
+* <<settings-xpack>>
+* <<bootstrap-checks-xpack>>
+
 --
 
 include::installing-xes.asciidoc[]

docs/en/sql/getting-started.asciidoc

@@ -1,9 +1,8 @@
 [[sql-getting-started]]
 == Getting Started with SQL
 
-To start using Elasticsearch SQL, first
-<<installing-xpack-es, install X-Pack in Elasticsearch>>. Then create
-in index with some data to experiment with:
+To start using Elasticsearch SQL, create
+an index with some data to experiment with:
 
 [source,js]
 --------------------------------------------------