Remove known issue for AI Assistant from the 8.15.1-8.16.1 release notes (backport #6190) (#6230)

* Remove known issue for AI Assistant from the 8.15.1-8.16.1 release notes (#6190)

* First draft

* Removes extra image

(cherry picked from commit b1dec23)

* Removes duplicate content

---------

Co-authored-by: Nastasha Solomon <[email protected]>
Co-authored-by: nastasha.solomon <[email protected]>

Author: mergify[bot]

docs/detections/notes-page-timeline-details.png

@@ -5,21 +5,6 @@
 [[release-notes-8.15.4]]
 === 8.15.4
 
-[discrete]
-[[known-issue-8.15.4]]
-==== Known issues
-
-// tag::known-issue-189676[]
-[discrete]
-.Tags appear in Elastic AI Assistant's responses
-[%collapsible]
-====
-*Details* +
-On August 1, 2024, it was discovered that Elastic AI Assistant's responses when using Bedrock Sonnet 3.5 may include `<antThinking>` tags, for example `<search_quality_reflection>` ({kibana-issue}189676[#189676]).
-
-====
-// end::known-issue-189676[]
-
 [discrete]
 [[enhancements-8.15.4]]
 ==== Enhancements
@@ -42,21 +27,6 @@ On August 1, 2024, it was discovered that Elastic AI Assistant's responses when
 [[release-notes-8.15.3]]
 === 8.15.3
 
-[discrete]
-[[known-issue-8.15.3]]
-==== Known issues
-
-// tag::known-issue-189676[]
-[discrete]
-.Tags appear in Elastic AI Assistant's responses
-[%collapsible]
-====
-*Details* +
-On August 1, 2024, it was discovered that Elastic AI Assistant's responses when using Bedrock Sonnet 3.5 may include `<antThinking>` tags, for example `<search_quality_reflection>` ({kibana-issue}189676[#189676]).
-
-====
-// end::known-issue-189676[]
-
 [discrete]
 [[bug-fixes-8.15.3]]
 ==== Bug fixes
@@ -77,17 +47,6 @@ On August 1, 2024, it was discovered that Elastic AI Assistant's responses when
 [[known-issue-8.15.2]]
 ==== Known issues
 
-// tag::known-issue-189676[]
-[discrete]
-.Tags appear in Elastic AI Assistant's responses
-[%collapsible]
-====
-*Details* +
-On August 1, 2024, it was discovered that Elastic AI Assistant's responses when using Bedrock Sonnet 3.5 may include `<antThinking>` tags, for example `<search_quality_reflection>` ({kibana-issue}189676[#189676]).
-
-====
-// end::known-issue-189676[]
-
 // tag::known-issue-192084[]
 [discrete]
 .Alerts wrongfully inherit previously-selected tags
@@ -141,18 +100,6 @@ On October 17, 2024, this issue was resolved.
 [[known-issue-8.15.1]]
 ==== Known issues
 
-// tag::known-issue-189676[]
-[discrete]
-.Tags appear in Elastic AI Assistant's responses
-[%collapsible]
-====
-*Details* +
-On August 1, 2024, it was discovered that Elastic AI Assistant's responses when using Bedrock Sonnet 3.5 may include `<antThinking>` tags, for example `<search_quality_reflection>` ({kibana-issue}189676[#189676]).
-
-
-====
-// end::known-issue-189676[]
-
 // tag::known-issue-192084[]
 [discrete]
 .Alerts wrongfully inherit previously-selected tags
@@ -222,6 +169,11 @@ On October 17, 2024, this issue was resolved.
 *Details* +
 On August 1, 2024, it was discovered that Elastic AI Assistant's responses when using Bedrock Sonnet 3.5 may include `<antThinking>` tags, for example `<search_quality_reflection>` ({kibana-issue}189676[#189676]).
 
+*Workaround* +
+Upgrade to 8.15.1.
+
+*Resolved* +
+On September 5, 2024, this issue was resolved.
 
 ====
 // end::known-issue-189676[]

docs/release-notes/8.15.asciidoc

@@ -64,17 +64,6 @@ Instead of updating an "index" entry, delete it and add it again with the desire
 ====
 // end::known-issue[]
 
-// tag::known-issue-189676[]
-[discrete]
-.Tags appear in Elastic AI Assistant's responses
-[%collapsible]
-====
-*Details* +
-On August 1, 2024, it was discovered that Elastic AI Assistant's responses when using Bedrock Sonnet 3.5 may include `<antThinking>` tags, for example `<search_quality_reflection>` ({kibana-issue}189676[#189676]).
-
-====
-// end::known-issue-189676[]
-
 // tag::known-issue[]
 [discrete]
 .Duplicate alerts can be produced from manually running threshold rules