Cleanup _pgpEncrypt

Signed-off-by: Georg Pfuetzenreuter <georg.pfuetzenreuter@suse.com>

src/email/email.js

@@ -81,7 +81,6 @@ class Email {
    * @return {string}                    the encrypted PGP message block
    */
   async _pgpEncrypt(plaintext, publicKeyArmored) {
-    //const {keys: [key], err} = 
     let key;
     try {
         key = await openpgp.readKey({armoredKey: publicKeyArmored});