chore: clean up launched memory features (#26941)

Co-authored-by: Jenna Inouye <jinouye@google.com>

docs/cli/tutorials/memory-management.md

@@ -71,8 +71,8 @@ Just tell the agent to remember something.
 
 **Prompt:** `Remember that I prefer using 'const' over 'let' wherever possible.`
 
-The agent will use the `save_memory` tool to store this fact in your global
-memory file.
+The agent will edit the appropriate memory Markdown file, so the fact is loaded
+in future sessions.
 
 **Prompt:** `Save the fact that the staging server IP is 10.0.0.5.`