DOC-6658 RS: Removed search/export logs CM UI limitation from RS 8.0.20 release notes (#3358)

Author: rrelledge

content/operate/rs/release-notes/rs-8-0-releases/rs-8-0-20-19.md

@@ -216,8 +216,6 @@ The following legacy UI features are not yet available in the new Cluster Manage
 
     Use [`crdb-cli crdb purge-instance`]({{< relref "/operate/rs/references/cli-utilities/crdb-cli/crdb/purge-instance" >}}) instead.
 
-- Search and export the log.
-
 ## Security
 
 #### Redis Open Source security fixes compatibility