Removed libbt-vendor-build-test from device.mk

This target is not needed in treble-compliant devices.

Bug: 112661635
Test: run cf locally
Change-Id: If0b5424180948304e65591a29402543d47b753f1
diff --git a/shared/device.mk b/shared/device.mk
index 12d42c0..e4a6cbd 100644
--- a/shared/device.mk
+++ b/shared/device.mk
@@ -167,7 +167,6 @@
 #
 PRODUCT_PACKAGES += \
     android.hardware.bluetooth@1.0-service.sim \
-    libbt-vendor-build-test
 
 #
 # Audio HAL