qcacld-3.0: Disable CONNECTION_ROAMING_CFG macro by default

Aliasing INI range value depends on this macro. Disable this
macro by default.

Change-Id: I67fad0d1c9baea56aec96c548f14c3280ef2a13b
CRs-Fixed: 3266625

configs/default_defconfig

@@ -1158,7 +1158,7 @@ CONFIG_WLAN_DYNAMIC_CVM := y
 #Flag to enable SAR Safety Feature
 CONFIG_SAR_SAFETY_FEATURE := y
 
-CONFIG_CONNECTION_ROAMING_CFG := y
+CONFIG_CONNECTION_ROAMING_CFG := n
 
 CONFIG_FEATURE_SET := y