selftest: Remove unused misc.py file

Change-Id: I167bce29d7b22956c82053dcae5634c23d405b3f
diff --git a/selftest/misc.py b/selftest/misc.py
deleted file mode 100755
index e57a48c..0000000
--- a/selftest/misc.py
+++ /dev/null
@@ -1,7 +0,0 @@
-#!/usr/bin/env python3
-
-msisdn = '0000'
-
-l = len(msisdn)
-next_msisdn = ('%%0%dd' % l) % (int(msisdn) + 1)
-print(next_msisdn)