Remove the Serverless label from ILM docs (#1531)

Fixes #1196

Removes the serverless applies_to tag from the ILM section of the Data
lifecycle docs + the data tiers and curator pages.

[Preview available
here](https://docs-v3-preview.elastic.dev/elastic/docs-content/pull/1531/manage-data/lifecycle/index-lifecycle-management/index-lifecycle)

Author: yetanothertw

manage-data/lifecycle/curator.md

@@ -2,7 +2,6 @@
 navigation_title: Curator
 applies_to:
   stack: ga
-  serverless: ga
 ---
 
 # Elasticsearch Curator

manage-data/lifecycle/data-tiers.md

@@ -5,7 +5,6 @@ mapped_pages:
   - https://www.elastic.co/guide/en/cloud/current/ec-disable-data-tier.html
 applies_to:
   stack: ga
-  serverless: ga
 products:
   - id: elasticsearch
   - id: cloud-enterprise

manage-data/lifecycle/index-lifecycle-management/configure-lifecycle-policy.md

@@ -4,7 +4,6 @@ mapped_pages:
   - https://www.elastic.co/guide/en/elasticsearch/reference/current/set-up-lifecycle-policy.html
 applies_to:
   stack: ga
-  serverless: ga
 products:
   - id: elasticsearch
 ---

manage-data/lifecycle/index-lifecycle-management/index-lifecycle.md

@@ -4,7 +4,6 @@ mapped_pages:
   - https://www.elastic.co/guide/en/elasticsearch/reference/current/ilm-index-lifecycle.html
 applies_to:
   stack: ga
-  serverless: ga
 products:
   - id: elasticsearch
 ---

manage-data/lifecycle/index-lifecycle-management/index-management-in-kibana.md

@@ -3,7 +3,6 @@ mapped_pages:
   - https://www.elastic.co/guide/en/elasticsearch/reference/current/index-mgmt.html
 applies_to:
   stack: ga
-  serverless: ga
 products:
   - id: elasticsearch
 ---

manage-data/lifecycle/index-lifecycle-management/manage-existing-indices.md

@@ -3,7 +3,6 @@ mapped_pages:
   - https://www.elastic.co/guide/en/elasticsearch/reference/current/ilm-with-existing-indices.html
 applies_to:
   stack: ga
-  serverless: ga
 products:
   - id: elasticsearch
 ---

manage-data/lifecycle/index-lifecycle-management/migrate-index-allocation-filters-to-node-roles.md

@@ -3,7 +3,6 @@ mapped_pages:
   - https://www.elastic.co/guide/en/elasticsearch/reference/current/migrate-index-allocation-filters.html
 applies_to:
   stack: ga
-  serverless: ga
 products:
   - id: elasticsearch
 ---

manage-data/lifecycle/index-lifecycle-management/migrate-index-management.md

@@ -5,7 +5,6 @@ mapped_pages:
   - https://www.elastic.co/guide/en/cloud/current/ec-migrate-index-management.html
 applies_to:
   stack: ga
-  serverless: ga
 products:
   - id: cloud-enterprise
   - id: cloud-hosted

manage-data/lifecycle/index-lifecycle-management/policy-updates.md

@@ -4,7 +4,6 @@ mapped_pages:
   - https://www.elastic.co/guide/en/elasticsearch/reference/current/update-lifecycle-policy.html
 applies_to:
   stack: ga
-  serverless: ga
 products:
   - id: elasticsearch
 ---

manage-data/lifecycle/index-lifecycle-management/restore-managed-data-stream-index.md

@@ -3,7 +3,6 @@ mapped_pages:
   - https://www.elastic.co/guide/en/elasticsearch/reference/current/index-lifecycle-and-snapshots.html
 applies_to:
   stack: ga
-  serverless: ga
 products:
   - id: elasticsearch
 ---