V8: Switch ignition test steps to the standard suite alias

scripts/slave/recipes/v8.expected/full_client_v8_V8_Win32___builder.json

 [
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_PACKAGE_REPO[build]\\scripts\\slave\\kill_processes.py"
     ],
     "name": "taskkill"
   },
   {
@@ skipping 307 matching lines @@
       "-u",
       "RECIPE_MODULE[build::isolate]\\resources\\isolate.py",
       "[SLAVE_BUILD]\\v8\\tools\\swarming_client",
       "batcharchive",
       "--dump-json",
       "/path/to/tmp/json",
       "--isolate-server",
       "https://isolateserver.appspot.com",
       "--verbose",
       "[SLAVE_BUILD]\\v8\\out\\Release\\bot_default.isolated.gen.json",
-      "[SLAVE_BUILD]\\v8\\out\\Release\\ignition.isolated.gen.json",
       "[SLAVE_BUILD]\\v8\\out\\Release\\mozilla.isolated.gen.json",
       "[SLAVE_BUILD]\\v8\\out\\Release\\test262.isolated.gen.json"
     ],
     "name": "isolate tests",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"bot_default\": \"[dummy hash for bot_default]\", @@@",
-      "@@@STEP_LOG_LINE@json.output@  \"ignition\": \"[dummy hash for ignition]\", @@@",
       "@@@STEP_LOG_LINE@json.output@  \"mozilla\": \"[dummy hash for mozilla]\", @@@",
       "@@@STEP_LOG_LINE@json.output@  \"test262\": \"[dummy hash for test262]\"@@@",
       "@@@STEP_LOG_LINE@json.output@}@@@",
       "@@@STEP_LOG_END@json.output@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[build::gsutil]\\resources\\gsutil_wrapper.py",
       "--",
       "RECIPE_PACKAGE_REPO[depot_tools]\\gsutil.py",
       "----",
       "cp",
       "-a",
       "public-read",
-      "{\"bot_default\": \"[dummy hash for bot_default]\", \"ignition\": \"[dummy hash for ignition]\", \"mozilla\": \"[dummy hash for mozilla]\", \"test262\": \"[dummy hash for test262]\"}",
+      "{\"bot_default\": \"[dummy hash for bot_default]\", \"mozilla\": \"[dummy hash for mozilla]\", \"test262\": \"[dummy hash for test262]\"}",
       "gs://chromium-v8/v8-win32-rel/full-build-win32_f2cbea7e89a45f46819777bb78a1f5bd0241f64c.json"
     ],
     "name": "gsutil upload",
     "~followup_annotations": [
       "@@@STEP_LINK@gsutil.upload@https://storage.cloud.google.com/chromium-v8/v8-win32-rel/full-build-win32_f2cbea7e89a45f46819777bb78a1f5bd0241f64c.json@@@"
     ]
   },
   {
     "allow_subannotations": true,
     "cmd": [
@@ skipping 29 matching lines @@
         "properties": {
           "parent_build_environment": {
             "GYP_DEFINES": "target_arch=x64 cool_flag=a=1"
           },
           "parent_got_revision": "f2cbea7e89a45f46819777bb78a1f5bd0241f64c",
           "parent_got_revision_cp": "refs/heads/master@{#50110}",
           "parent_got_swarming_client_revision": "e4fee0b18f8163be6097c9c571640038896debc4",
           "revision": "f2cbea7e89a45f46819777bb78a1f5bd0241f64c",
           "swarm_hashes": {
             "bot_default": "[dummy hash for bot_default]",
-            "ignition": "[dummy hash for ignition]",
             "mozilla": "[dummy hash for mozilla]",
             "test262": "[dummy hash for test262]"
           }
         }
       }
     ],
     "~followup_annotations": [
       "@@@STEP_TEXT@V8 Win32@@@"
     ]
   },
   {
     "name": "$result",
     "recipe_result": null,
     "status_code": 0
   }
 ]