fix: do not convert jitter to int

Mininet now requires it to be specified with time units, e.g. 10ms

Change-Id: Ic80d1a71120f77904b77ea4e34bc57a6e994b25c
diff --git a/minindn/wifi/minindnwifi.py b/minindn/wifi/minindnwifi.py
index b9e3865..2e3b9ea 100644
--- a/minindn/wifi/minindnwifi.py
+++ b/minindn/wifi/minindnwifi.py
@@ -203,7 +203,7 @@
                     continue
                 key = param.split('=')[0]
                 value = param.split('=')[1]
-                if key in ['jitter', 'max_queue_size']:
+                if key in ['max_queue_size']:
                     value = int(value)
                 if key in ['loss', 'bw']:
                     value = float(value)