Fix keylength

wo/core/acme.py

@@ -16,7 +16,7 @@ class WOAcme:
         """Issue SSL certificates with acme.sh"""
         all_domains = '\' -d \''.join(acme_domains)
         wo_acme_dns = acmedata['acme_dns']
-        keylenght = "{0}".format(WOVariables.wo_keylength)
+        keylenght = acmedata['keylength']
         wo_acme_exec = ("/etc/letsencrypt/acme.sh --config-home "
                         "'/etc/letsencrypt/config'")
         if acmedata['dns'] is True:

wo/core/variables.py

@@ -111,8 +111,6 @@ class WOVariables():
     wo_nginx = ["nginx-custom", "nginx-wo"]
     wo_nginx_key = '188C9FB063F0247A'
 
-    wo_keylength = self.app.config.get('letsencrypt', 'keylength')
-
     wo_php = ["php7.2-fpm", "php7.2-curl", "php7.2-gd", "php7.2-imap",
               "php7.2-readline", "php7.2-common", "php7.2-recode",
               "php7.2-cli", "php7.2-mbstring", "php7.2-intl",