Revert "temporarily comment out redirects (#3688)"

This reverts commit 5c93068.

docs/en/apm-server/redirects.asciidoc

@@ -1411,101 +1411,88 @@ Refer to {observability-guide}/apm-integration-upgrade-steps-ess.html[Switch an
 
 {move-notice}
 
-Refer to **Application performance monitoring (APM)** → **Release notes** in the {observability-guide}[Observability Guide].
-// Refer to {observability-guide}/release-notes.html[Release notes].
+Refer to {observability-guide}/release-notes.html[Release notes].
 
 [role="exclude",id="release-notes-8.11"]
 === APM version 8.11
 
 {move-notice}
 
-Refer to **Application performance monitoring (APM)** → **Release notes** in the {observability-guide}[Observability Guide].
-// Refer to {observability-guide}/release-notes-8.11.html[APM version 8.11].
+Refer to {observability-guide}/release-notes-8.11.html[APM version 8.11].
 
 [role="exclude",id="release-notes-8.10"]
 === APM version 8.10
 
 {move-notice}
 
-Refer to **Application performance monitoring (APM)** → **Release notes** in the {observability-guide}[Observability Guide].
-// Refer to {observability-guide}/release-notes-8.10.html[APM version 8.10].
+Refer to {observability-guide}/release-notes-8.10.html[APM version 8.10].
 
 [role="exclude",id="release-notes-8.9"]
 === APM version 8.9
 
 {move-notice}
 
-Refer to **Application performance monitoring (APM)** → **Release notes** in the {observability-guide}[Observability Guide].
-// Refer to {observability-guide}/release-notes-8.9.html[APM version 8.9].
+Refer to {observability-guide}/release-notes-8.9.html[APM version 8.9].
 
 [role="exclude",id="release-notes-8.8"]
 === APM version 8.8
 
 {move-notice}
 
-Refer to **Application performance monitoring (APM)** → **Release notes** in the {observability-guide}[Observability Guide].
-// Refer to {observability-guide}/release-notes-8.8.html[APM version 8.8].
+Refer to {observability-guide}/release-notes-8.8.html[APM version 8.8].
 
 [role="exclude",id="release-notes-8.7"]
 === APM version 8.7
 
 {move-notice}
 
-Refer to **Application performance monitoring (APM)** → **Release notes** in the {observability-guide}[Observability Guide].
-// Refer to {observability-guide}/release-notes-8.7.html[APM version 8.7].
+Refer to {observability-guide}/release-notes-8.7.html[APM version 8.7].
 
 [role="exclude",id="release-notes-8.6"]
 === APM version 8.6
 
 {move-notice}
 
-Refer to **Application performance monitoring (APM)** → **Release notes** in the {observability-guide}[Observability Guide].
-// Refer to {observability-guide}/release-notes-8.6.html[APM version 8.6].
+Refer to {observability-guide}/release-notes-8.6.html[APM version 8.6].
 
 [role="exclude",id="release-notes-8.5"]
 === APM version 8.5
 
 {move-notice}
 
-Refer to **Application performance monitoring (APM)** → **Release notes** in the {observability-guide}[Observability Guide].
-// Refer to {observability-guide}/release-notes-8.5.html[APM version 8.5].
+Refer to {observability-guide}/release-notes-8.5.html[APM version 8.5].
 
 [role="exclude",id="release-notes-8.4"]
 === APM version 8.4
 
 {move-notice}
 
-Refer to **Application performance monitoring (APM)** → **Release notes** in the {observability-guide}[Observability Guide].
-// Refer to {observability-guide}/release-notes-8.4.html[APM version 8.4].
+Refer to {observability-guide}/release-notes-8.4.html[APM version 8.4].
 
 [role="exclude",id="release-notes-8.3"]
 === APM version 8.3
 
 {move-notice}
 
-Refer to **Application performance monitoring (APM)** → **Release notes** in the {observability-guide}[Observability Guide].
-// Refer to {observability-guide}/release-notes-8.3.html[APM version 8.3].
+Refer to {observability-guide}/release-notes-8.3.html[APM version 8.3].
 
 [role="exclude",id="release-notes-8.2"]
 === APM version 8.2
 
 {move-notice}
 
-Refer to **Application performance monitoring (APM)** → **Release notes** in the {observability-guide}[Observability Guide].
-// Refer to {observability-guide}/release-notes-8.2.html[APM version 8.2].
+Refer to {observability-guide}/release-notes-8.2.html[APM version 8.2].
 
 [role="exclude",id="release-notes-8.1"]
 === APM version 8.1
 
 {move-notice}
 
-Refer to **Application performance monitoring (APM)** → **Release notes** in the {observability-guide}[Observability Guide].
-// Refer to {observability-guide}/release-notes-8.1.html[APM version 8.1].
+Refer to {observability-guide}/release-notes-8.1.html[APM version 8.1].
 
 [role="exclude",id="release-notes-8.0"]
 === APM version 8.0
 
 {move-notice}
 
-Refer to **Application performance monitoring (APM)** → **Release notes** in the {observability-guide}[Observability Guide].
-// Refer to {observability-guide}/release-notes-8.0.html[APM version 8.0].
+Refer to {observability-guide}/release-notes-8.0.html[APM version 8.0].