(bugfix): Don't query about SQL proccess on Emacs exit (#253)

Graceful shutdown is already guaranteed via `kill-emacs-hook`.

Refs #200

Co-authored-by: Jethro Kuan <jethrokuan95@gmail.com>

org-roam.el

@@ -140,6 +140,7 @@ Performs a database upgrade when required."
            (init-db (not (file-exists-p db-file))))
       (make-directory (file-name-directory db-file) t)
       (let ((conn (emacsql-sqlite db-file)))
+        (set-process-query-on-exit-flag (emacsql-process conn) nil)
         (puthash (file-truename org-roam-directory)
                  conn
                  org-roam--db-connection)