move EF_UServiceTable from ts_31_102 to ts_31_102_telecom

We want to use this class in an upcoming patch for DF_MCS support,
and in order to avoid cyclic imports, EF_UServiceTable must be moved.

Change-Id: I9cd6ab795bfd92f845eb943679a3d6302f1003ce
diff --git a/pySim/ts_31_103.py b/pySim/ts_31_103.py
index 77eb0f2..ef60a7d 100644
--- a/pySim/ts_31_103.py
+++ b/pySim/ts_31_103.py
@@ -26,7 +26,8 @@
 from pySim.utils import *
 from pySim.tlv import *
 from pySim.ts_51_011 import EF_AD, EF_SMS, EF_SMSS, EF_SMSR, EF_SMSP
-from pySim.ts_31_102 import ADF_USIM, EF_FromPreferred, EF_UServiceTable
+from pySim.ts_31_102 import ADF_USIM, EF_FromPreferred
+from pySim.ts_31_102_telecom import EF_UServiceTable
 import pySim.ts_102_221
 from pySim.ts_102_221 import EF_ARR