[VOL-4371]  Voltha protos cleanup

Change-Id: I9ee6ef8c48e7287c3b546c59d5190a8311f1b3ac
diff --git a/.golangci.yml b/.golangci.yml
index 646e902..08c7e97 100644
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -29,6 +29,8 @@
   exclude:
     - "Package github.com/golang/protobuf/proto is deprecated"
     - "Package github.com/golang/protobuf/jsonpb is deprecated"
+    - "SA1019: voltha.ImageDownloads is deprecated"
+    - "SA1019: voltha.ImageDownload is deprecated"
 
 linters:
   enable: