[Telemetry] Remove new_tab benchmark & related page sets

tools/perf/benchmarks/benchmark_smoke_unittest.py

Index: tools/perf/benchmarks/benchmark_smoke_unittest.py
diff --git a/tools/perf/benchmarks/benchmark_smoke_unittest.py b/tools/perf/benchmarks/benchmark_smoke_unittest.py
index d63629b7ebdef168d0b8dfd684f88079ccda8d67..f19d1d268ee6f3eb3c8e19269af878ef5e5cd34a 100644
--- a/tools/perf/benchmarks/benchmark_smoke_unittest.py
+++ b/tools/perf/benchmarks/benchmark_smoke_unittest.py
@@ -23,7 +23,6 @@ from benchmarks import indexeddb_perf
 from benchmarks import jetstream
 from benchmarks import kraken
 from benchmarks import memory
-from benchmarks import new_tab
 from benchmarks import octane
 from benchmarks import rasterize_and_record_micro
 from benchmarks import repaint
@@ -80,7 +79,6 @@ def SmokeTestGenerator(benchmark):
 _BLACK_LIST_TEST_MODULES = {
     image_decoding,  # Always fails on Mac10.9 Tests builder.
     indexeddb_perf,  # Always fails on Win7 & Android Tests builder.
-    new_tab,  # Fails fairly often on the Linux Tests builder, crbug.com/535664
     octane,  # Often fails & take long time to timeout on cq bot.
     rasterize_and_record_micro,  # Always fails on cq bot.
     repaint,  # Often fails & takes long time to timeout on cq bot.