recipe engine: extract infra-specific paths out of the engine

recipe_modules/path/example.expected/mac_kitchen.json

Index: recipe_modules/path/example.expected/mac_kitchen.json
diff --git a/recipe_modules/path/example.expected/mac_kitchen.json b/recipe_modules/path/example.expected/mac_kitchen.json
deleted file mode 100644
index fdfa97805a71e4edc36e64beecde60f8676a32e0..0000000000000000000000000000000000000000
--- a/recipe_modules/path/example.expected/mac_kitchen.json
+++ /dev/null
@@ -1,47 +0,0 @@
-[
-  {
-    "cmd": [
-      "/bin/echo",
-      "[SLAVE_BUILD]/foo"
-    ],
-    "cwd": "[SLAVE_BUILD]",
-    "name": "step1"
-  },
-  {
-    "cmd": [
-      "echo",
-      "RECIPE_MODULE[recipe_engine::path]/resources/dir/file.py"
-    ],
-    "cwd": "[SLAVE_BUILD]",
-    "name": "print resource"
-  },
-  {
-    "cmd": [
-      "echo",
-      "RECIPE_PACKAGE_REPO[recipe_engine]/dir/file.py"
-    ],
-    "cwd": "[SLAVE_BUILD]",
-    "name": "print package dir"
-  },
-  {
-    "cmd": [
-      "/bin/echo",
-      "[SLAVE_BUILD]/checkout/jerky"
-    ],
-    "cwd": "[SLAVE_BUILD]",
-    "name": "checkout path"
-  },
-  {
-    "cmd": [
-      "touch",
-      "[SLAVE_BUILD]/new_file"
-    ],
-    "cwd": "[SLAVE_BUILD]",
-    "name": "touch me"
-  },
-  {
-    "name": "$result",
-    "recipe_result": null,
-    "status_code": 0
-  }
-]