Don't deploy again when name or public state changes (#706)

* no need in forceNew after https://github.com/zeit/now-create/pull/83

* fix lint

bin/now-deploy.js

@@ -187,7 +187,7 @@ if (path) {
 const gitRepo = {}
 
 // Options
-let forceNew = argv.force
+const forceNew = argv.force
 let deploymentName = argv.name
 let sessionAffinity = argv['session-affinity']
 const debug = argv.debug
@@ -252,13 +252,6 @@ const envFields = async list => {
   return answers
 }
 
-// Create a new deployment if user changed the name or made `_src` public.
-// This works fine because it doesn't force a new sync,
-// it just forces a new deployment.
-if (deploymentName || wantsPublic) {
-  forceNew = true
-}
-
 let alwaysForwardNpm
 
 async function main() {