Revert "Add CIPD package support to swarming recipe api"

scripts/slave/recipes/chromium.expected/full_client_skia_Linux_Tests.json

 [
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[depot_tools::bot_update]/resources/bot_update.py",
       "--master",
       "client.skia",
       "--builder",
       "Linux Tests",
@@ skipping 161 matching lines @@
   {
     "cmd": [
       "python",
       "-u",
       "[SLAVE_BUILD]/src/tools/swarming_client/swarming.py",
       "--version"
     ],
     "name": "swarming.py --version",
     "stdout": "/path/to/tmp/",
     "~followup_annotations": [
-      "@@@STEP_TEXT@0.8.6@@@"
+      "@@@STEP_TEXT@0.4.10@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_PACKAGE_REPO[depot_tools]/gclient.py",
       "runhooks"
     ],
     "cwd": "[SLAVE_BUILD]/src",
@@ skipping 222 matching lines @@
       "--temp-root-dir",
       "[TMP_BASE]",
       "--merged-test-output",
       "/path/to/tmp/json",
       "--",
       "collect",
       "--swarming",
       "https://chromium-swarm.appspot.com",
       "--decorate",
       "--print-status-updates",
-      "--json",
-      "{\"base_task_name\": \"browser_tests/Ubuntu-12.04/ffffffffff/Linux Tests/571\", \"tasks\": {\"browser_tests/Ubuntu-12.04/ffffffffff/Linux Tests/571\": {\"shard_index\": 0, \"task_id\": \"10000\", \"view_url\": \"https://chromium-swarm.appspot.com/user/task/10000\"}}}"
+      "--shards",
+      "1",
+      "browser_tests/Ubuntu-12.04/ffffffffff/Linux Tests/571"
     ],
     "env": {
       "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json"
     },
     "name": "browser_tests on Ubuntu-12.04",
     "~followup_annotations": [
       "@@@STEP_LINK@shard #0 isolated out@blah@@@"
     ]
   },
   {
@@ skipping 20 matching lines @@
       "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json"
     },
     "name": "Upload to test-results [browser_tests on Ubuntu-12.04]"
   },
   {
     "name": "$result",
     "recipe_result": null,
     "status_code": 0
   }
 ]