fix kubens archive format

.goreleaser.yml

@@ -73,7 +73,13 @@ archives:
   files: ["LICENSE"]
 - id: kubens-archive
   name_template: |-
-    kubens_{{ .Tag }}_{{ .Os }}_{{ .Arch -}}
+    kubens_{{ .Tag }}_{{ .Os }}_
+    {{- with .Arch -}}
+      {{- if (eq . "386") -}}i386
+      {{- elif (eq . "amd64") -}}x86_64
+      {{- else -}}{{- . -}}
+      {{- end -}}
+    {{ end }}
     {{- with .Arm -}}
       {{- if (eq . "6") -}}hf
       {{- else -}}v{{- . -}}
@@ -81,9 +87,6 @@ archives:
     {{- end -}}
   builds:
     - kubens
-  replacements:
-    386: i386
-    amd64: x86_64
   format_overrides:
     - goos: windows
       format: zip