Drop including proprietary apps

Change-Id: I0333c6e7a3631c2204338b6c2c865137d188f769
diff --git a/device-vendor.mk b/device-vendor.mk
index a758914..860ac39 100644
--- a/device-vendor.mk
+++ b/device-vendor.mk
@@ -13,10 +13,6 @@
 # limitations under the License.
 #
 
-# Inherit makefile to build and include all proprietary applications
-$(call inherit-product-if-exists, vendor/fairphone/proprietary-apps/device-vendor.mk)
-
-
 DEVICE_PACKAGE_OVERLAYS += \
 	vendor/fairphone/fp3-common/overlay