Remove SystemHealthMetric (fka RAILScore)

perf_insights/perf_insights_build/pi_report_to_html_unittest.py

 # Copyright (c) 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import codecs
 import os
 import tempfile
 import unittest
 
 from perf_insights import corpus_driver_cmdline
@@ skipping 18 matching lines @@
         mode='w', suffix='.html', delete=False)
     raw_tmpfile.close()
     try:
       project = perf_insights_project.PerfInsightsProject()
       with codecs.open(raw_tmpfile.name, 'w', encoding='utf-8') as tmpfile:
         corpus_driver = corpus_driver_cmdline.GetCorpusDriver(
             None, TestArgs(project.perf_insights_test_data_path))
         res = pi_report_to_html.PiReportToHTML(
             tmpfile, corpus_driver,
             project.GetAbsPathFromHRef(
-                '/perf_insights/ui/reports/weather_report.html'),
+                '/perf_insights/ui/reports/startup_report.html'),
             corpus_query.CorpusQuery.FromString('MAX_TRACE_HANDLES=2'),
             quiet=True)
         self.assertEquals(res, 0)
     finally:
       os.remove(raw_tmpfile.name)