Rm/unused dependencies (#165)

* rm unused dependecies

Signed-off-by: Sandor Szücs <[email protected]>

* add ro mode for test builds

Signed-off-by: Sandor Szücs <[email protected]>

Author: szuecs

delivery.yaml

@@ -3,6 +3,8 @@ pipeline:
 - id: build
   overlay: ci/golang
   type: script
+  env:
+    GOFLAGS: "-mod=readonly"
   cache:
     paths:
     - /go/pkg/mod       # pkg cache for Go modules

go.mod

@@ -16,8 +16,6 @@ require (
 	github.com/gregjones/httpcache v0.0.0-20180305231024-9cad4c3443a7 // indirect
 	github.com/hashicorp/golang-lru v0.5.0 // indirect
 	github.com/imdario/mergo v0.3.6 // indirect
-	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
-	github.com/modern-go/reflect2 v1.0.1 // indirect
 	github.com/onsi/ginkgo v1.8.0 // indirect
 	github.com/onsi/gomega v1.5.0 // indirect
 	github.com/peterbourgon/diskv v2.0.1+incompatible // indirect