[DOCS] Remove unneeded articles for Elasticsearch Service and Elastic Agent

docs/reference/datatiers.asciidoc

@@ -105,7 +105,7 @@ transitioning into the frozen tier into a shared-cache searchable snapshot.
 Search is typically slower on the frozen tier than the cold tier, because {es}
 must sometimes fetch data from the snapshot repository.
 
-NOTE: The frozen tier is not yet available on the {ess-trial}[{ess}]. To
+NOTE: The frozen tier is not yet available on {ess-trial}[{ess}]. To
 recreate similar functionality, see
 <<searchable-snapshots-frozen-tier-on-cloud>>.
 

docs/reference/indices/index-templates.asciidoc

@@ -46,7 +46,7 @@ following index patterns:
 - `synthetics-*-*`
 // end::built-in-index-template-patterns[]
 
-The {fleet-guide}/fleet-overview.html[{agent}] uses these templates to create
+{fleet-guide}/fleet-overview.html[{agent}] uses these templates to create
 data streams. Index templates created by {fleet} integrations use similar
 overlapping index patterns and have a priority up to `200`.
 

docs/reference/indices/put-component-template.asciidoc

@@ -99,7 +99,7 @@ Name of the component template to create.
 - `synthetics-settings`
 // end::built-in-component-templates[]
 
-The {fleet-guide}/fleet-overview.html[{agent}] uses these templates to configure
+{fleet-guide}/fleet-overview.html[{agent}] uses these templates to configure
 backing indices for its data streams. If you use {agent} and want to overwrite
 one of these templates, set the `version` for your replacement template higher
 than the current version.

docs/reference/modules/indices/index_management.asciidoc

@@ -38,7 +38,7 @@ Specifies the hosts that can be <<reindex-from-remote,reindexed from remotely>>.
 +
 --
 (<<dynamic-cluster-setting,Dynamic>>)
-If `true`, enables built-in index and component templates. The
+If `true`, enables built-in index and component templates.
 {fleet-guide}/fleet-overview.html[{agent}] uses these templates to create data
 streams. If `false`, {es} disables these index and component templates. Defaults
 to `true`.

docs/reference/searchable-snapshots/index.asciidoc

@@ -219,9 +219,9 @@ repository storage then you are responsible for its reliability.
 [[searchable-snapshots-frozen-tier-on-cloud]]
 === Configure a frozen tier on {ess}
 
-The frozen data tier is not yet available on the {ess-trial}[{ess}]. However,
+The frozen data tier is not yet available on {ess-trial}[{ess}]. However,
 you can configure another tier to use <<shared-cache,shared snapshot caches>>.
-This effectively recreates a frozen tier in your {ess} deployment. Follow these
+This effectively recreates a frozen tier in your deployment. Follow these
 steps:
 
 . Choose an existing tier to use. Typically, you'll use the cold tier, but the