Revert "Enable tracing perftests on Android bots."

tools/perf/generate_perf_json.py

Index: tools/perf/generate_perf_json.py
diff --git a/tools/perf/generate_perf_json.py b/tools/perf/generate_perf_json.py
index 41aae82af5460b26a3291dfb00d25d2202f0c5be..23cf59a2a2cd9c44cf7869c9ada0b7c66f52a548 100755
--- a/tools/perf/generate_perf_json.py
+++ b/tools/perf/generate_perf_json.py
@@ -110,35 +110,6 @@ SCRIPT_TESTS = [
   },
   {
     'args': [
-      'tracing_perftests',
-      '--adb-path',
-      'src/third_party/catapult/devil/bin/deps/linux2/x86_64/bin/adb',
-    ],
-    'name': 'tracing_perftests',
-    'script': 'gtest_perf_test.py',
-    'testers': {
-      'chromium.perf': [
-        {
-          'name': 'Android Nexus5 Perf',
-          'shards': [2]
-        },
-        {
-          'name': 'Android Nexus6 Perf',
-          'shards': [2]
-        },
-        {
-          'name': 'Android Nexus7v2 Perf',
-          'shards': [2]
-        },
-        {
-          'name': 'Android Nexus9 Perf',
-          'shards': [2]
-        },
-      ]
-    }
-  },
-  {
-    'args': [
       'load_library_perf_tests',
       '--test-launcher-print-test-stdio=always'
     ],