Remove --no-sandbox flag from command line for telemetry

tools/telemetry/telemetry/internal/backends/chrome_inspector/tracing_backend_unittest.py

Index: tools/telemetry/telemetry/internal/backends/chrome_inspector/tracing_backend_unittest.py
diff --git a/tools/telemetry/telemetry/internal/backends/chrome_inspector/tracing_backend_unittest.py b/tools/telemetry/telemetry/internal/backends/chrome_inspector/tracing_backend_unittest.py
index dacef13280917c8bdb9439dd5a5e449bade78665..a49ed8c1fac02b6bfaa81c868ae9b6c0a0064fa5 100644
--- a/tools/telemetry/telemetry/internal/backends/chrome_inspector/tracing_backend_unittest.py
+++ b/tools/telemetry/telemetry/internal/backends/chrome_inspector/tracing_backend_unittest.py
@@ -23,10 +23,6 @@ class TracingBackendTest(tab_test_case.TabTestCase):
   @classmethod
   def CustomizeBrowserOptions(cls, options):
     options.AppendExtraBrowserArgs([
-        # Memory maps currently cannot be retrieved on sandboxed processes.
-        # See crbug.com/461788.
-        '--no-sandbox',
-
         # Workaround to disable periodic memory dumps. See crbug.com/513692.
         '--enable-memory-benchmarking'
     ])