remove superflouous key creation

ts/smartacme.classes.smartacme.ts

@@ -53,9 +53,6 @@ export class SmartAcme {
     createAccount() {
         let done = q.defer()
         this.prepareAcme()
-            .then(() => {
-                return this.createKeyPair()
-            })
             .then(() => {
                 let options = {
                     newRegUrl: this.acmeUrls.newReg,
@@ -73,7 +70,7 @@ export class SmartAcme {
                         done.reject(err)
                     }
                     done.resolve(regr)
-                }) // returns "regr" registration data
+                })
             }).catch(err => { console.log(err) })
 
         return done.promise