qcacld-3.0: Remove WLAN_FEATURE_VOWIFI_11R_DEBUG option

Conditional compilation option of #ifdef WLAN_FEATURE_VOWIFI_11R_DEBUG
is used to enable certain roaming logs. It has always been defined,
thus these logs are enabled by default.
Remove it from all the code to always enable those logs.

CRs-Fixed: 936683
Change-Id: I23bba225ce69311d416e6d847c398840919c43aa

Kbuild

@@ -865,7 +865,6 @@ CDEFINES :=	-DANI_LITTLE_BYTE_ENDIAN \
 		-D__linux__ \
 		-DHAL_SELF_STA_PER_BSS=1 \
 		-DWLAN_FEATURE_VOWIFI_11R \
-		-DWLAN_FEATURE_VOWIFI_11R_DEBUG \
 		-DFEATURE_WLAN_WAPI \
 		-DFEATURE_OEM_DATA_SUPPORT\
 		-DSOFTAP_CHANNEL_RANGE \