Revert of [Telemetry] Restore telemetry.util.bot_utils

telemetry/telemetry/util/bot_utils.py

Index: telemetry/telemetry/util/bot_utils.py
diff --git a/telemetry/telemetry/util/bot_utils.py b/telemetry/telemetry/util/bot_utils.py
deleted file mode 100644
index 70955f5d3a4ab2e443df261d0c0c7d5ef9a2f7d2..0000000000000000000000000000000000000000
--- a/telemetry/telemetry/util/bot_utils.py
+++ /dev/null
@@ -1,27 +0,0 @@
-# Copyright 2013 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.
-
-"""
-Utility functions used to generate info used by the bots.
-
-TODO(eyaich): Remove once we no longer generate the list of benchmarks to
-run on the perf waterfall in telemetry.
-"""
-
-import hashlib
-
-def GetDeviceAffinity(num_shards, base_name):
-  # Based on the current timings, we shift the result of the hash function to
-  # achieve better load balancing. Those shift values are to be revised when
-  # necessary. The shift value is calculated such that the total cycle time
-  # is minimized.
-  hash_shift = {
-    2 : 47,  # for old desktop configurations with 2 slaves
-    5 : 56,  # for new desktop configurations with 5 slaves
-    21 : 43  # for Android 3 slaves 7 devices configurations
-  }
-  shift = hash_shift.get(num_shards, 0)
-  base_name_hash = hashlib.sha1(base_name).hexdigest()
-  device_affinity = (int(base_name_hash, 16) >> shift) % num_shards
-  return device_affinity