Revert "[recipe_modules/depot_tools] Add dirmd_path to api"

This reverts commit 25b2cb49.

Reason for revert: Used copy of dirmd in third_party/ instead,
making this unnecessary.

Original change's description:
> [recipe_modules/depot_tools] Add dirmd_path to api
>
> This is required to parse DIR_METADATA files.
>
> Bug: 1135347
> Change-Id: I620656d4dbec5e918bfc0f535397869c869446b8
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/2644827
> Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
> Reviewed-by: Andrii Shyshkalov <tandrii@google.com>

TBR=tandrii@google.com,hnakashima@chromium.org,infra-scoped@luci-project-accounts.iam.gserviceaccount.com

# Not skipping CQ checks because original CL landed > 1 day ago.

Bug: 1135347
Change-Id: I8ea8dfe8f3587177493fb37a4a37eb24266240e8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/2686631Reviewed-by: Andrii Shyshkalov <tandrii@google.com>
Commit-Queue: Andrii Shyshkalov <tandrii@google.com>

recipes/README.recipes.md

@@ -241,8 +241,6 @@ the depot_tools repo.
 
 &emsp; **@property**<br>&mdash; **def [cros\_path](/recipes/recipe_modules/depot_tools/api.py#26)(self):**
 
-&emsp; **@property**<br>&mdash; **def [dirmd\_path](/recipes/recipe_modules/depot_tools/api.py#54)(self):**
-
 &emsp; **@property**<br>&mdash; **def [download\_from\_google\_storage\_path](/recipes/recipe_modules/depot_tools/api.py#13)(self):**
 
 &emsp; **@property**<br>&mdash; **def [gn\_py\_path](/recipes/recipe_modules/depot_tools/api.py#30)(self):**
@@ -251,7 +249,7 @@ the depot_tools repo.
 
 &emsp; **@property**<br>&mdash; **def [ninja\_path](/recipes/recipe_modules/depot_tools/api.py#40)(self):**
 
-&emsp; **@contextlib.contextmanager**<br>&mdash; **def [on\_path](/recipes/recipe_modules/depot_tools/api.py#58)(self):**
+&emsp; **@contextlib.contextmanager**<br>&mdash; **def [on\_path](/recipes/recipe_modules/depot_tools/api.py#54)(self):**
 
 Use this context manager to put depot_tools on $PATH.
 

recipes/recipe_modules/depot_tools/api.py

@@ -51,10 +51,6 @@ class DepotToolsApi(recipe_api.RecipeApi):
   def presubmit_support_py_path(self):
     return self.repo_resource('presubmit_support.py')
 
-  @property
-  def dirmd_path(self):
-    return self.repo_resource('dirmd')
-
   @contextlib.contextmanager
   def on_path(self):
     """Use this context manager to put depot_tools on $PATH.

recipes/recipe_modules/depot_tools/examples/full.expected/basic.json

@@ -62,13 +62,6 @@
     ],
     "name": "presubmit_support_py_path"
   },
-  {
-    "cmd": [
-      "ls",
-      "RECIPE_REPO[depot_tools]/dirmd"
-    ],
-    "name": "dirmd_path"
-  },
   {
     "cmd": [
       "echo",

recipes/recipe_modules/depot_tools/examples/full.expected/win.json

@@ -62,13 +62,6 @@
     ],
     "name": "presubmit_support_py_path"
   },
-  {
-    "cmd": [
-      "ls",
-      "RECIPE_REPO[depot_tools]\\dirmd"
-    ],
-    "name": "dirmd_path"
-  },
   {
     "cmd": [
       "echo",

recipes/recipe_modules/depot_tools/examples/full.py

@@ -40,9 +40,6 @@ def RunSteps(api):
       'presubmit_support_py_path',
       ['ls', api.depot_tools.presubmit_support_py_path])
 
-  api.step(
-      'dirmd_path', ['ls', api.depot_tools.dirmd_path])
-
   with api.depot_tools.on_path():
     api.step('on_path', ['echo', '$PATH'])