Revert "Fix file.copy recipe_module to not fail if files are already equal."

scripts/slave/recipes/skia/swarm_trigger.expected/Build-Win-MSVC-x86_64-Release-Vulkan.json

Index: scripts/slave/recipes/skia/swarm_trigger.expected/Build-Win-MSVC-x86_64-Release-Vulkan.json
diff --git a/scripts/slave/recipes/skia/swarm_trigger.expected/Build-Win-MSVC-x86_64-Release-Vulkan.json b/scripts/slave/recipes/skia/swarm_trigger.expected/Build-Win-MSVC-x86_64-Release-Vulkan.json
index dbddc6101ca50f1e7f0884e631924f536086f4d3..fa64be3e5e747fc1d0493fe0ab599bb74c7a4922 100644
--- a/scripts/slave/recipes/skia/swarm_trigger.expected/Build-Win-MSVC-x86_64-Release-Vulkan.json
+++ b/scripts/slave/recipes/skia/swarm_trigger.expected/Build-Win-MSVC-x86_64-Release-Vulkan.json
@@ -438,7 +438,7 @@
     "cmd": [
       "python",
       "-u",
-      "\nimport shutil\nimport sys\n# Apparently, shutil.copy fails if files are binary-equal on *nix OSes.\n# See http://crbug.com/636168#c8.\nif hasattr(shutil, '_samefile'):\n  if shutil._samefile(sys.argv[1], sys.argv[2]):\n    sys.exit(0)\nshutil.copy(sys.argv[1], sys.argv[2])\n",
+      "\nimport shutil\nimport sys\nshutil.copy(sys.argv[1], sys.argv[2])\n",
       "[SLAVE_BUILD]/skia/infra/bots/assets/win_toolchain/VERSION",
       "/path/to/tmp/"
     ],
@@ -448,7 +448,7 @@
     "cmd": [
       "python",
       "-u",
-      "\nimport shutil\nimport sys\n# Apparently, shutil.copy fails if files are binary-equal on *nix OSes.\n# See http://crbug.com/636168#c8.\nif hasattr(shutil, '_samefile'):\n  if shutil._samefile(sys.argv[1], sys.argv[2]):\n    sys.exit(0)\nshutil.copy(sys.argv[1], sys.argv[2])\n",
+      "\nimport shutil\nimport sys\nshutil.copy(sys.argv[1], sys.argv[2])\n",
       "[SLAVE_BUILD]/skia/infra/bots/assets/win_vulkan_sdk/VERSION",
       "/path/to/tmp/"
     ],