Remove unneeded try in perf smoke test.

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 cfd8cdcf26ca93c7acc4759227d02ed0d19e4084..7d17e750fc4b178d118db429dc5d7843551fa051 100644
--- a/tools/perf/benchmarks/benchmark_smoke_unittest.py
+++ b/tools/perf/benchmarks/benchmark_smoke_unittest.py
@@ -143,19 +143,10 @@ def load_tests(loader, standard_tests, pattern):
     # test from the class. We should probably discover all of the tests
     # in a class, and then throw the ones we don't need away instead.
 
-    # TODO(aiolos): remove try after all telemetry-side changes land.
-    try:
-      decorators.IS_UPDATED_DECORATORS
-    except AttributeError:
-      enabled_benchmark_attr = '_enabled_strings'
-      enabled_method_attr = '_enabled_strings'
-      disabled_benchmark_attr = '_disabled_strings'
-      disabled_method_attr = '_disabled_strings'
-    else:
-      disabled_benchmark_attr = decorators.DisabledAttributeName(benchmark)
-      disabled_method_attr = decorators.DisabledAttributeName(method)
-      enabled_benchmark_attr = decorators.EnabledAttributeName(benchmark)
-      enabled_method_attr = decorators.EnabledAttributeName(method)
+    disabled_benchmark_attr = decorators.DisabledAttributeName(benchmark)
+    disabled_method_attr = decorators.DisabledAttributeName(method)
+    enabled_benchmark_attr = decorators.EnabledAttributeName(benchmark)
+    enabled_method_attr = decorators.EnabledAttributeName(method)
 
     MergeDecorators(method, disabled_method_attr, benchmark,
                     disabled_benchmark_attr)