Revert "Add Vibrator default impl to device build"

This reverts commit dbdaa429165e744772a67c54b0837607a7e9f166.

Change-Id: I0e2c48c5aa1c93d07bec4143fd71c75675152977
diff --git a/device.mk b/device.mk
index 3e1c85b..923e0d3 100644
--- a/device.mk
+++ b/device.mk
@@ -78,10 +78,6 @@
 # PowerHAL
 PRODUCT_PACKAGES += power.hikey
 
-# VibratorHAL
-PRODUCT_PACKAGES += \
-    android.hardware.vibrator@1.0-impl
-
 # Copy hardware config file(s)
 PRODUCT_COPY_FILES +=  \
         device/linaro/hikey/etc/permissions/android.hardware.screen.xml:system/etc/permissions/android.hardware.screen.xml \