update workflow

.github/workflows/go.yml

@@ -25,10 +25,6 @@ jobs:
     - name: Get dependencies
       run: |
         go get -v -t -d ./...
-        if [ -f Gopkg.toml ]; then
-            curl https://raw.githubusercontent.com/golang/dep/master/install.sh | sh
-            dep ensure
-        fi
 
     - name: Test
       run: go test -v -race ./...