Roll recipe dependencies (trivial).

This is an automated CL created by the recipe roller. This CL rolls recipe
changes from upstream projects (e.g. depot_tools) into downstream projects
(e.g. tools/build).


More info is at https://goo.gl/zkKdpD. Use https://goo.gl/noib3a to file a bug.
recipe_engine:
  https://crrev.com/c594d93e17bd0e32f02620808deed9b1833bd81f [autoroll] Remove support for 'config section' in doc/recipes.py (iannucci@chromium.org)


TBR=iannucci@chromium.org

Recipe-Tryjob-Bypass-Reason: Autoroller
Bugdroid-Send-Email: False
Change-Id: I8f6f9ee8f5b82ee3a0565815ca1ec31f0af2ba24
Reviewed-on: https://chromium-review.googlesource.com/502587
Reviewed-by: <recipe-roller@chromium.org>
Commit-Queue: <recipe-roller@chromium.org>

infra/config/recipes.cfg

@@ -15,7 +15,7 @@
   "deps": {
     "recipe_engine": {
       "branch": "master",
-      "revision": "23230785ddaec6e199d3ede6d496131ec178c183",
+      "revision": "c594d93e17bd0e32f02620808deed9b1833bd81f",
       "url": "https://chromium.googlesource.com/external/github.com/luci/recipes-py.git"
     }
   },

recipes/recipes.py

@@ -14,18 +14,10 @@ This is a copy of https://github.com/luci/recipes-py/blob/master/doc/recipes.py.
 To fix bugs, fix in the github repo then run the autoroller.
 """
 
-import os
-
-#### PER-REPO CONFIGURATION (editable) ####
-# The root of the repository relative to the directory of this file.
-REPO_ROOT = os.path.join(os.pardir)
-# The path of the recipes.cfg file relative to the root of the repository.
-RECIPES_CFG = os.path.join('infra', 'config', 'recipes.cfg')
-#### END PER-REPO CONFIGURATION ####
-
 import argparse
 import json
 import logging
+import os
 import random
 import subprocess
 import sys