Update 8.10.asciidoc

changelogs/8.10.asciidoc

@@ -14,9 +14,6 @@ https://github.com/elastic/apm-server/compare/8.9\...8.10[View commits]
 - 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 {pull}11386[11386]
 - Event protobuf encoding for tail-based sampling changed (to a more efficient encoding) for event timestamp and duration {pull}11386[11386]
 
-[float]
-==== Deprecations
-
 [float]
 ==== Bug fixes
 - Add back handling of `queue.*` config for libbeat outputs, such as logstash and kafka {pull}11534[11534]