Remove redundant NaCl SDK buildbot run script

scripts/slave/recipes/client.nacl.sdk.recipe_autogen.expected/mac_sdk_multi.json

 [
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[depot_tools::bot_update]/resources/bot_update.py",
       "--spec",
       "cache_dir = '[GIT_CACHE]'\nsolutions = [{'custom_deps': {'src/third_party/WebKit/LayoutTests': None}, 'deps_file': '.DEPS.git', 'managed': True, 'name': 'src', 'url': 'https://chromium.googlesource.com/chromium/src.git'}, {'custom_deps': {'src/chrome/test/data/firefox2_profile/searchplugins': None, 'src/chrome/test/data/firefox2_searchplugins': None, 'src/chrome/test/data/firefox3_profile/searchplugins': None, 'src/chrome/test/data/firefox3_searchplugins': None, 'src/chrome/test/data/osdd': None, 'src/chrome/test/data/ssl/certs': None, 'src/data/autodiscovery': None, 'src/data/esctf': None, 'src/data/mach_ports': None, 'src/data/memory_test': None, 'src/data/mozilla_js_tests': None, 'src/data/page_cycler': None, 'src/data/selenium_core': None, 'src/tools/grit/grit/test/data': None, 'src/webkit/data/bmp_decoder': None, 'src/webkit/data/ico_decoder': None, 'src/webkit/data/test_shell/plugins': None, 'src/webkit/data/xbm_decoder': None}, 'deps_file': '.DEPS.git', 'managed': True, 'name': 'src-internal', 'url': 'https://chrome-internal.googlesource.com/chrome/src-internal.git'}]",
       "--patch_root",
       "src",
@@ skipping 141 matching lines @@
       "--",
       "chrome"
     ],
     "name": "compile"
   },
   {
     "allow_subannotations": true,
     "cmd": [
       "python",
       "-u",
-      "[BUILD]/scripts/slave/chromium/nacl_sdk_buildbot_run.py",
+      "[SLAVE_BUILD]/src/native_client_sdk/src/build_tools/buildbot_run.py",
       "--build-properties={\"buildername\":\"mac-sdk-multi\",\"buildnumber\":\"42\",\"got_revision\":\"f27fede2220bcd326aee3e86ddfd4ebd0fe58cb9\",\"got_revision_cp\":\"refs/heads/master@{#170242}\",\"got_swarming_client_revision\":\"a0ee5d99f1d4b38ddaa4c759c837980b63b99566\",\"got_swarming_client_revision_cp\":\"refs/heads/master@{#276089}\",\"got_v8_revision\":\"801ada225ddc271c132c3a35f03975671d43e399\",\"got_v8_revision_cp\":\"refs/heads/master@{#43426}\",\"got_webkit_revision\":\"5e2293dffc3cd07d37fbedea3b500f0eb650614d\",\"got_webkit_revision_cp\":\"refs/heads/master@{#124383}\",\"mastername\":\"client.nacl.sdk\",\"recipe\":\"client.nacl.sdk.recipe_autogen\",\"revision\":\"123456789abcdef\",\"slavename\":\"TestSlave\"}",
-      "--factory-properties={\"annotated_script\":\"nacl_sdk_buildbot_run.py\",\"blink_config\":\"chromium\",\"gclient_env\":{\"CHROMIUM_GYP_SYNTAX_CHECK\":\"1\",\"DEPOT_TOOLS_UPDATE\":\"0\",\"GYP_DEFINES\":\"fastbuild=1 component=static_library\",\"GYP_GENERATORS\":\"ninja\",\"LANDMINES_VERBOSE\":\"1\"},\"no_gclient_branch\":true,\"nuke_and_pave\":false}"
+      "--factory-properties={\"annotated_script\":\"buildbot_run.py\",\"blink_config\":\"chromium\",\"gclient_env\":{\"CHROMIUM_GYP_SYNTAX_CHECK\":\"1\",\"DEPOT_TOOLS_UPDATE\":\"0\",\"GYP_DEFINES\":\"fastbuild=1 component=static_library\",\"GYP_GENERATORS\":\"ninja\",\"LANDMINES_VERBOSE\":\"1\"},\"no_gclient_branch\":true,\"nuke_and_pave\":false}"
     ],
     "name": "annotated_steps"
   },
   {
     "name": "$result",
     "recipe_result": null,
     "status_code": 0
   }
 ]