Remove known issue from release notes for 8.17.0

Author: vishaangelova

docs/en/ingest-management/release-notes/release-notes-8.17.asciidoc

@@ -468,25 +468,6 @@ curl -XPOST --user elastic:${SUPERUSER_PASS} -H 'x-elastic-product-origin:fleet'
 # Issue an update_by_query request that targets effected agents:
 curl -XPOST -H 'Authorization: Bearer ${TOKEN}' -H 'x-elastic-product-origin:fleet' -H 'content-type:application/json' "https://${ELASTICSEARCH_HOST}/.fleet-agents/_update_by_query" -d '{"query": {"bool": {"must": [{ "exists": { "field": "unenrolled_at" } }],"must_not": [{ "term": { "active": "false" } }]}},"script": {"source": "ctx._source.unenrolled_at = null;","lang": "painless"}}'
 ----
-====
-
-[[known-issue-1800-8-17-0]]
-.On Windows, {agent} is unable to enroll into {fleet} following the {agent}'s upgrade.
-[%collapsible]
-====
-
-*Details* +
-There is a known issue where an {agent} installed on Windows and previously enrolled into {fleet} is unable to re-enroll after the {agent} is upgraded. Attempting to enroll the {agent} fails with the following error:
-
-[source,console-result]
-----
-Error: the command is executed as root but the program files are not owned by the root user.
-----
-
-*Impact* +
-The issue affects {agent} installed on Windows. There is no resolution or workaround at this time, but a bug fix is expected in a later maintenance release.
-
-====
 
 [discrete]
 [[new-features-8.17.0]]