Remove redundant session query mention

Amolith created 

The session-query.ts link already credits the source; no need to list it
again as a change.

Change summary

README.md | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

Detailed changes

README.md 🔗 

@@ -30,8 +30,7 @@ pi install npm:@amolith/pi-handoff
 > and [session-query.ts](https://github.com/pasky/pi-amplike/blob/main/extensions/session-query.ts)
 > by Petr Baudis, licensed MIT accordingly. Reworked so the subagent calls a
 > tool instead of expecting it to produce well-formed JSON, added an auto-submit
-> countdown, a session query tool, and make the extraction model configurable
-> via `PI_HANDOFF_MODEL`.
+> countdown, and make the extraction model configurable via `PI_HANDOFF_MODEL`.
 
 ### `@amolith/pi-answer`