Remove more binary caching

.circleci/config.yml

@@ -59,14 +59,6 @@ jobs:
           key: go-src-v1-{{ .Revision }}
           paths:
             - ".git"
-      - run:
-          command: |
-            mkdir -p /tmp/bin
-            cp -r /go/bin/* /tmp/bin
-      - persist_to_workspace:
-          root: "/tmp/bin"
-          paths:
-            - "."
 
   test-cover:
     executor: golang