Update supported session type

src/session/session.cpp

@@ -490,12 +490,8 @@ const char *session_type_tostring(enum session_type type)
 {
     switch (type)
     {
-    case SESSION_TYPE_NONE:
-        return "none";
     case SESSION_TYPE_TCP:
         return "tcp";
-    case SESSION_TYPE_TCP_STREAM:
-        return "tcp_stream";
     case SESSION_TYPE_UDP:
         return "udp";
     default:

src/session/session.h

@@ -28,10 +28,8 @@ enum session_action
 
 enum session_type
 {
-    SESSION_TYPE_NONE = 0,
-    SESSION_TYPE_TCP,
-    SESSION_TYPE_TCP_STREAM,
-    SESSION_TYPE_UDP,
+    SESSION_TYPE_TCP = 0x1,
+    SESSION_TYPE_UDP = 0x2,
 };
 
 enum session_event