sysmon: Fix references to ts_mon units

BUG=chromium:741082
TEST=None

Change-Id: I9e270c294a66ce46e44747b9f5bfd29dcb0aedf8
Reviewed-on: https://chromium-review.googlesource.com/568161
Tested-by: Allen Li <ayatane@chromium.org>
Reviewed-by: Aviv Keshet <akeshet@chromium.org>
Commit-Queue: Allen Li <ayatane@chromium.org>
diff --git a/scripts/sysmon/system_metrics.py b/scripts/sysmon/system_metrics.py
index 06b377c..bc4e42d 100644
--- a/scripts/sysmon/system_metrics.py
+++ b/scripts/sysmon/system_metrics.py
@@ -29,12 +29,10 @@
 
 _disk_free_metric = metrics.GaugeMetric(
     'dev/disk/free',
-    description='Available bytes on disk partition.',
-    units=metrics.MetricsDataUnits.BYTES)
+    description='Available bytes on disk partition.')
 _disk_total_metric = metrics.GaugeMetric(
     'dev/disk/total',
-    description='Total bytes on disk partition.',
-    units=metrics.MetricsDataUnits.BYTES)
+    description='Total bytes on disk partition.')
 
 _inodes_free_metric = metrics.GaugeMetric(
     'dev/inodes/free',
@@ -49,29 +47,24 @@
     'dev/mem/free',
     description='Amount of memory available to a '
     'process (in Bytes). Buffers are considered '
-    'free memory.',
-    units=metrics.MetricsDataUnits.BYTES)
+    'free memory.')
 
 _mem_total_metric = metrics.GaugeMetric(
     'dev/mem/total',
-    description='Total physical memory in Bytes.',
-    units=metrics.MetricsDataUnits.BYTES)
+    description='Total physical memory in Bytes.')
 
 _BOOT_TIME = psutil.boot_time()
 
 _disk_read_metric = metrics.CounterMetric(
     'dev/disk/read', start_time=_BOOT_TIME,
-    description='Number of Bytes read on disk.',
-    units=metrics.MetricsDataUnits.BYTES)
+    description='Number of Bytes read on disk.')
 _disk_write_metric = metrics.CounterMetric(
     'dev/disk/write', start_time=_BOOT_TIME,
-    description='Number of Bytes written on disk.',
-    units=metrics.MetricsDataUnits.BYTES)
+    description='Number of Bytes written on disk.')
 
 _uptime_metric = metrics.GaugeMetric(
     'dev/uptime',
-    description='Machine uptime, in seconds.',
-    units=metrics.MetricsDataUnits.SECONDS)
+    description='Machine uptime, in seconds.')
 
 _load_average_metric = metrics.FloatMetric(
     'dev/proc/load_average',