revert sessions.md

Author: rafaelpierre

docs/sessions.md

@@ -316,4 +316,4 @@ if __name__ == "__main__":
 For detailed API documentation, see:
 
 -   [`Session`][agents.memory.Session] - Protocol interface
--   [`SQLiteSession`][agents.memory.SQLiteSession] - SQLite implementation
+-   [`SQLiteSession`][agents.memory.SQLiteSession] - SQLite implementation