build: Remove TARGET_CRYPTFS_HW_PATH

* Not used since 16.0 where vold/cryptfs_hw switched to bp

Change-Id: I649402d9a3b94df8810d577147e09a51833192a0
diff --git a/config/BoardConfigQcom.mk b/config/BoardConfigQcom.mk
index d102e17..85fe011 100644
--- a/config/BoardConfigQcom.mk
+++ b/config/BoardConfigQcom.mk
@@ -94,8 +94,3 @@
 
 PRODUCT_SOONG_NAMESPACES += \
     hardware/qcom-caf/$(QCOM_HARDWARE_VARIANT)
-
-# QCOM HW crypto
-ifeq ($(TARGET_HW_DISK_ENCRYPTION),true)
-    TARGET_CRYPTFS_HW_PATH ?= vendor/qcom/opensource/cryptfs_hw
-endif