remove breaking changes from future versions

changelogs/all-breaking-changes.asciidoc

@@ -7,32 +7,6 @@
 This section describes the breaking changes and deprecations introduced in this release
 and previous minor versions.
 
-// tag::811-bc[]
-[float]
-[[breaking-changes-8.11]]
-=== 8.11
-
-The following breaking changes are introduced in APM version 8.11.0:
-
-- The `ecs.version` field has been removed from APM data streams.
-This change should not impact most users as this field is not used by the APM UI.
-For more details, see https://github.com/elastic/apm-server/pull/11632[PR #11632]
-// end::811-bc[]
-
-// tag::810-bc[]
-[float]
-[[breaking-changes-8.10]]
-=== 8.10
-
-The following breaking changes are introduced in APM version 8.10.0:
-
-- Aggregated metrics now consider global labels to be part of a service's identity, and high cardinality global labels may cause services to be obscured.
-For more details, see https://github.com/elastic/apm-server/pull/11386[PR #11386].
-
-- Event protobuf encoding for tail-based sampling changed to a more efficient encoding for event timestamp and duration
-For more details, see https://github.com/elastic/apm-server/pull/11386[PR #11386].
-// end::810-bc[]
-
 // tag::87-bc[]
 [float]
 [[breaking-changes-8.7]]