fix: docs double header in migration docs (#2584)

Author: csviri

Diff for: docs/content/en/docs/migration/v2-migration.md

@@ -1,12 +1,9 @@
 ---
 title: Migrating from v1 to v2
-description: Migrating from v1 to v2
 layout: docs
 permalink: /docs/v2-migration
 ---
 
-# Migrating from v1 to v2
-
 Version 2 of the framework introduces improvements, features and breaking changes for the APIs both
 internal and user facing ones. The migration should be however trivial in most of the cases. For
 detailed overview of all major issues until the release of

Diff for: docs/content/en/docs/migration/v3-1-migration.md

@@ -1,12 +1,9 @@
 ---
 title: Migrating from v3 to v3.1
-description: Migrating from v3 to v3.1
 layout: docs
 permalink: /docs/v3-1-migration
 ---
 
-# Migrating from v3 to v3.1
-
 ## ReconciliationMaxInterval Annotation has been renamed to MaxReconciliationInterval
 
 Associated methods on both the `ControllerConfiguration` class and annotation have also been

Diff for: docs/content/en/docs/migration/v3-migration.md

@@ -1,12 +1,9 @@
 ---
 title: Migrating from v2 to v3
-description: Migrating from v2 to v3
 layout: docs
 permalink: /docs/v3-migration
 ---
 
-# Migrating from v2 to v3
-
 Version 3 introduces some breaking changes to APIs, however the migration to these changes should be trivial.
 
 ## Reconciler

Diff for: docs/content/en/docs/migration/v4-3-migration.md

@@ -1,12 +1,9 @@
 ---
 title: Migrating from v4.2 to v4.3
-description: Migrating from v4.2 to v4.3
 layout: docs
 permalink: /docs/v4-3-migration
 ---
 
-# Migrating from v4.2 to v4.3
-
 ## Condition API Change
 
 In Workflows the target of the condition was the managed resource itself, not the target dependent resource.

Diff for: docs/content/en/docs/migration/v4-4-migration.md

@@ -1,12 +1,9 @@
 ---
 title: Migrating from v4.3 to v4.4
-description: Migrating from v4.3 to v4.4
 layout: docs
 permalink: /docs/v4-4-migration
 ---
 
-# Migrating from v4.3 to v4.4
-
 ## API changes
 
 ### ConfigurationService

Diff for: docs/content/en/docs/migration/v4-5-migration.md

@@ -1,12 +1,9 @@
 ---
 title: Migrating from v4.4 to v4.5
-description: Migrating from v4.4 to v4.5
 layout: docs
 permalink: /docs/v4-5-migration
 ---
 
-# Migrating from v4.4 to v4.5
-
 Version 4.5 introduces improvements related to event handling for Dependent Resources, more precisely the
 [caching and event handling](https://javaoperatorsdk.io/docs/dependent-resources#caching-and-event-handling-in-kubernetesdependentresource)
 features. As a result the Kubernetes resources managed using