Update dev-cloud.rb (#6)

Author: danikun

Casks/dev-cloud.rb

@@ -1,8 +1,7 @@
 cask "dev-cloud" do
-    arch intel: "amd64"
 
     version "2.17.0"
-    sha256 intel: "2AD52B7EDCEE543B28E01559C5DCC04B47244CD8A39A212613C1EC6117053E2C"
+    sha256 "2AD52B7EDCEE543B28E01559C5DCC04B47244CD8A39A212613C1EC6117053E2C"
 
     url "https://github.com/DocPlanner/dev-cloud-releases/releases/download/#{version}/dev-#{version}-osx-x64.zip"
     name "Dev Cloud"