Remove JsonOutputFormatter from telemetry.

telemetry/telemetry/internal/results/page_test_results_unittest.py

Index: telemetry/telemetry/internal/results/page_test_results_unittest.py
diff --git a/telemetry/telemetry/internal/results/page_test_results_unittest.py b/telemetry/telemetry/internal/results/page_test_results_unittest.py
index 22c8771e975521c803212253f06dbbdf2f597109..df4f24c1ce14f305053e996e13e985faf1535145 100644
--- a/telemetry/telemetry/internal/results/page_test_results_unittest.py
+++ b/telemetry/telemetry/internal/results/page_test_results_unittest.py
@@ -9,7 +9,7 @@ from telemetry import benchmark
 from telemetry import story
 from telemetry.internal.results import base_test_results_unittest
 from telemetry.internal.results import chart_json_output_formatter
-from telemetry.internal.results import json_output_formatter
+from telemetry.internal.results import html_output_formatter
 from telemetry.internal.results import page_test_results
 from telemetry import page as page_module
 from telemetry.testing import stream
@@ -408,8 +408,8 @@ class PageTestResultsTest(base_test_results_unittest.BaseTestResultsUnittest):
     output_formatters.append(
         chart_json_output_formatter.ChartJsonOutputFormatter(
             output_stream, benchmark_metadata))
-    output_formatters.append(json_output_formatter.JsonOutputFormatter(
-        output_stream, benchmark_metadata))
+    output_formatters.append(html_output_formatter.HtmlOutputFormatter(
+        output_stream, benchmark_metadata, True))
     results = page_test_results.PageTestResults(
         output_formatters=output_formatters, benchmark_enabled=False)
     results.PrintSummary()