[Telemetry] Pass test_runner environment in local args instead of a global variable

tools/telemetry/telemetry/core/environment.py

Index: tools/telemetry/telemetry/core/environment.py
diff --git a/tools/telemetry/telemetry/core/environment.py b/tools/telemetry/telemetry/core/environment.py
deleted file mode 100644
index 3900682284d0a3ab8aa5f00ea542dd8021cd1c1e..0000000000000000000000000000000000000000
--- a/tools/telemetry/telemetry/core/environment.py
+++ /dev/null
@@ -1,20 +0,0 @@
-# Copyright 2014 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-
-class Environment(object):
-  def __init__(self, base_paths, benchmark_aliases=None):
-    self._base_paths = base_paths
-    if benchmark_aliases:
-      self._benchmark_aliases = benchmark_aliases
-    else:
-      self._benchmark_aliases = {}
-
-  @property
-  def base_paths(self):
-    return self._base_paths
-
-  @property
-  def benchmark_aliases(self):
-    return self._benchmark_aliases