sip: Don't need to set default value of MNNC version

The module param default value is already v7, no need to set it.

Change-Id: Idb075f78e1de5a74a442f85dcf2c9e900e5511cb
Related: OS#5042
diff --git a/sip/SIP_Tests.default b/sip/SIP_Tests.default
index 1c8c2dd..4434a1a 100644
--- a/sip/SIP_Tests.default
+++ b/sip/SIP_Tests.default
@@ -25,7 +25,6 @@
 
 [MODULE_PARAMETERS]
 Osmocom_VTY_Functions.mp_prompt_prefix := "OsmoSIPcon";
-MNCC_Emulation.mp_mncc_version := 7;
 
 [MAIN_CONTROLLER]