Add remove symlink for wo update -le=off

wo/cli/plugins/site.py

@@ -1468,6 +1468,17 @@ class WOSiteUpdateController(CementBaseController):
                                                '{0}/conf/nginx/'
                                                'hsts.conf.disabled'
                                                .format(wo_site_webroot))
+                        # find all broken symlinks
+                        sympath = "/var/www"
+                        sslconf = ("{0}/conf/nginx/ssl.conf"
+                                   .format(wo_site_webroot))
+                        symlinks = WOFileUtils.findBrokenSymlink(self, sympath)
+
+                        for symlink in symlinks:
+                            wo_symlink = os.readlink('{0}'.format(symlink))
+                            if wo_symlink == sslconf:
+                                # remove broken symlinks
+                                WOFileUtils.remove_symlink(self, symlink)
                 elif (pargs.letsencrypt == "clean" or
                       pargs.letsencrypt == "purge"):
                     removeAcmeConf(self, wo_domain)