Merge branch '2.2' of github.com:GNS3/gns3-server into 2.2

gns3server/web/web_server.py

@@ -179,6 +179,9 @@ class WebServer:
         return ssl_context
 
     async def start_shell(self):
+
+        log.error("The embedded shell has been deactivated in this version of GNS3")
+        return
         try:
             from ptpython.repl import embed
         except ImportError: