Remove text_selection.* benchmarks

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 b910e7068d0df60f918ad35743350b60e065aa6d..5beb23bdf2b51ca667367ecb8e6b247e5f040ec4 100644
--- a/tools/perf/benchmarks/benchmark_smoke_unittest.py
+++ b/tools/perf/benchmarks/benchmark_smoke_unittest.py
@@ -29,7 +29,6 @@ from benchmarks import octane
 from benchmarks import rasterize_and_record_micro
 from benchmarks import repaint
 from benchmarks import speedometer
-from benchmarks import text_selection
 from benchmarks import v8_browsing
 
 
@@ -97,7 +96,6 @@ _BLACK_LIST_TEST_MODULES = {
     repaint,  # Often fails & takes long time to timeout on cq bot.
     speedometer,  # Takes 101 seconds.
     jetstream,  # Take 206 seconds.
-    text_selection,  # Always fails on cq bot.
     kraken,  # Flaky on Android, crbug.com/626174.
     v8_browsing, # Flaky on Android, crbug.com/628368.
     battor #Flaky on android, crbug.com/618330.