Revert "Avoid to use environment."

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

 [
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_PACKAGE_REPO[build]\\scripts\\slave\\kill_processes.py"
     ],
     "name": "taskkill"
   },
   {
@@ skipping 202 matching lines @@
       "--gsutil-py-path",
       "RECIPE_PACKAGE_REPO[depot_tools]\\gsutil.py",
       "--ninja-path",
       "RECIPE_PACKAGE_REPO[depot_tools]\\ninja.exe",
       "--target",
       "Release",
       "--src-dir",
       "[BUILDER_CACHE]\\Win_SyzyASAN_LKGR\\src",
       "--goma-cache-dir",
       "[GOMA_CACHE]",
-      "--buildbot-buildername",
-      "Win SyzyASAN LKGR",
-      "--buildbot-mastername",
-      "chromium.lkgr",
-      "--buildbot-slavename",
-      "TestSlavename",
       "--goma-deps-cache-dir",
       "[GOMA_DEPS_CACHE]",
       "--build-data-dir",
       "[ROOT]\\build_data_dir",
       "--",
       "chromium_builder_asan"
     ],
     "env": {
       "GOMA_SERVICE_ACCOUNT_JSON_FILE": "C:\\creds\\service_accounts\\service-account-goma-client.json"
     },
@@ skipping 72 matching lines @@
       "@@@STEP_LOG_LINE@python.inline@os.remove(sys.argv[1])@@@",
       "@@@STEP_LOG_END@python.inline@@@"
     ]
   },
   {
     "name": "$result",
     "recipe_result": null,
     "status_code": 0
   }
 ]