Remove remaining references to BattOr in tools/perf

TBR=sullivan@chromium.org

Bug: 859514
Cq-Include-Trybots: master.tryserver.chromium.perf:obbs_fyi
Change-Id: I7b6c0203596df67d668c18a084039c1832b3f52b
Reviewed-on: https://chromium-review.googlesource.com/1162628Reviewed-by: Annie Sullivan <sullivan@chromium.org>
Commit-Queue: Charlie Andrews <charliea@chromium.org>
Cr-Commit-Position: refs/heads/master@{#580891}

tools/perf/core/sharding_map_generator.py

@@ -10,7 +10,7 @@ and benchmarks indexed by story. E.g.
 {
   "0": {
     "benchmarks": [
-      "battor.steady_state": {},
+      "power.desktop": {},
       "rendering.mobile": {
         "begin": 0,
         "end": 104

tools/perf/expectations.config

@@ -7,9 +7,6 @@
 # tags: ChromeOS Android Desktop Nexus_5 Nexus_5X Nexus_6P
 # tags: Nexus_7 Mac_10.11 Mac_10.12 Nexus6_Webview Nexus5X_Webview
 
-# Benchmark: battor.steady_state
-crbug.com/505990 [ All ] battor.steady_state/http://abcnews.go.com/ [ Skip ]
-
 # Benchmark: blink_perf.bindings
 crbug.com/764868 [ Android_One ] blink_perf.bindings/structured-clone-long-string-deserialize.html [ Skip ]
 crbug.com/764868 [ Android_One ] blink_perf.bindings/structured-clone-json-serialize.html [ Skip ]