Revert "metricsd: Collect generic stats about the system."

This reverts commit 90b02cd46d8b9b4c80f99022a685e3a1ae2504a4.

Change-Id: I9950c688433e99b0bc4745f02e2f9ae66f3b5578
diff --git a/metricsd/Android.mk b/metricsd/Android.mk
index d619b32..12dfa18 100644
--- a/metricsd/Android.mk
+++ b/metricsd/Android.mk
@@ -133,9 +133,7 @@
   libchromeos-http \
   libchromeos-dbus \
   libcutils \
-  libdbus \
-  librootdev
-
+  libdbus
 LOCAL_SRC_FILES := $(metrics_daemon_sources)
 LOCAL_STATIC_LIBRARIES := metrics_daemon_protos
 include $(BUILD_EXECUTABLE)