Revert "Adding dlc images to Get artifacts"

This reverts commit eaa674635c1e8441d25077efb13de89c1cc99d16.

Reason for revert: _copy_dlc_image() fails on candy and several other boards: crbug/1198444
Exempt-From-Owner-Approval: sheriffing

Original change's description:
> Adding dlc images to Get artifacts
>
> BUG=b:182002718
> TEST="./artifacts__get" in "chromite/api/contrib/call_scripts"
>
> Change-Id: I78f46fd5dfc9bcd1e96826d24c6fb01d9f315fca
> Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/chromite/+/2818961
> Commit-Queue: jaquesc <jaquesc@google.com>
> Tested-by: jaquesc <jaquesc@google.com>
> Auto-Submit: jaquesc <jaquesc@google.com>
> Reviewed-by: LaMont Jones <lamontjones@chromium.org>
> Reviewed-by: George Engelbrecht <engeg@google.com>

Bug: b:182002718
Change-Id: I56eaefad364512a27fb5b2e46c17d24d24214152
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/chromite/+/2823609
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Commit-Queue: George Engelbrecht <engeg@google.com>
diff --git a/api/controller/artifacts.py b/api/controller/artifacts.py
index fefc172..e64ae41 100644
--- a/api/controller/artifacts.py
+++ b/api/controller/artifacts.py
@@ -15,14 +15,12 @@
 from chromite.api.controller import controller_util
 from chromite.api.gen.chromite.api import artifacts_pb2
 from chromite.api.gen.chromite.api import toolchain_pb2
-from chromite.api.gen.chromiumos import common_pb2
 from chromite.lib import chroot_lib
 from chromite.lib import constants
 from chromite.lib import cros_build_lib
 from chromite.lib import cros_logging as logging
 from chromite.lib import sysroot_lib
 from chromite.service import artifacts
-from chromite.service import image as image_service
 
 
 def _GetResponse(_input_proto, _output_proto, _config):
@@ -35,7 +33,7 @@
 @faux.empty_error
 @validate.exists('result_path.path.path')
 @validate.validation_complete
-def Get(input_proto, output_proto, _config):
+def Get(_input_proto, _output_proto, _config):
   """Get all artifacts.
 
   Get all artifacts for the build.
@@ -45,28 +43,10 @@
   individual bundler function.
 
   Args:
-    input_proto (GetRequest): The input proto.
-    output_proto (GetResponse): The output proto.
+    _input_proto (GetRequest): The input proto.
+    _output_proto (GetResponse): The output proto.
     _config (api_config.ApiConfig): The API call config.
   """
-
-  image_proto = input_proto.artifact_info.image
-  base_path = os.path.join(input_proto.chroot.path,
-                           input_proto.sysroot.path[1:])
-  output_dir = input_proto.result_path.path.path
-
-  images_list = image_service.Get(image_proto, base_path, output_dir)
-
-  for artifact_dict in images_list:
-    output_proto.artifacts.image.artifacts.add(
-        artifact_type=artifact_dict['type'],
-        paths=[
-            common_pb2.Path(
-                path=x,
-                location=common_pb2.Path.Location.OUTSIDE)
-            for x in artifact_dict['paths']
-        ])
-
   return controller.RETURN_CODE_SUCCESS