flounder: don't use BOARD_VENDOR_QCOM_GPS_LOC_API_HARDWARE

flounder uses prebuild location library. BOARD_VENDOR_QCOM_GPS_LOC_API_HARDWARE
is not needed.

Change-Id: I1cdad6aa9ffeda41bf631cb773268e5b03ee91dd
diff --git a/BoardConfig.mk b/BoardConfig.mk
index df908a5..1d17f66 100644
--- a/BoardConfig.mk
+++ b/BoardConfig.mk
@@ -76,7 +76,6 @@
 BOARD_VENDOR_USE_SENSOR_HAL := sensor_hub
 
 # GPS related defines
-BOARD_VENDOR_QCOM_GPS_LOC_API_HARDWARE := default
 TARGET_NO_RPC := true
 BOARD_USES_QCOM_HARDWARE_GPS := true