Use default shell

src/freedombone-app-scuttlebot

@@ -162,7 +162,7 @@ function install_scuttlebot {
     fi
 
     # an unprivileged user to run as
-    useradd -d /etc/scuttlebot/ -s /bin/false scuttlebot
+    useradd -d /etc/scuttlebot/ scuttlebot
 
     # daemon
     echo '[Unit]' > /etc/systemd/system/scuttlebot.service