Revert "provision: add default backup target after setup"

This reverts commit 1a0d1f7d79.

20171205124434-settings-default-backupConfig.js already adds the default

src/backuptargets.js

@@ -5,7 +5,6 @@ exports = module.exports = {
     getPrimary,
     list,
     add,
-    addDefault,
     del,
 
     setConfig,
@@ -517,22 +516,6 @@ async function add(data, auditSource) {
     return id;
 }
 
-async function addDefault(auditSource) {
-    assert.strictEqual(typeof auditSource, 'object');
-
-    debug('addDefault: adding default backup target');
-    const defaultBackupTarget = {
-        name: 'Default',
-        provider: 'filesystem',
-        config: { backupDir: paths.DEFAULT_BACKUP_DIR },
-        retention: { keepWithinSecs: 2 * 24 * 60 * 60 },
-        schedule: '00 00 23 * * *',
-        format: 'tgz'
-    };
-    defaultBackupTarget.id = await add(defaultBackupTarget, auditSource);
-    await setPrimary(defaultBackupTarget, auditSource);
-}
-
 // creates a backup target object that is not in the database
 async function createPseudo(data) {
     assert.strictEqual(typeof data, 'object');