remove oauth addon code

src/addons.js

@@ -22,10 +22,6 @@ exports = module.exports = {
 
     getServiceDetails: getServiceDetails,
 
-    // exported for testing
-    _setupOauth: setupOauth,
-    _teardownOauth: teardownOauth,
-
     SERVICE_STATUS_STARTING: 'starting',  // container up, waiting for healthcheck
     SERVICE_STATUS_ACTIVE: 'active',
     SERVICE_STATUS_STOPPED: 'stopped'
@@ -109,13 +105,6 @@ var KNOWN_ADDONS = {
         restore: restoreMySql,
         clear: clearMySql,
     },
-    oauth: {
-        setup: setupOauth,
-        teardown: teardownOauth,
-        backup: NOOP,
-        restore: setupOauth,
-        clear: NOOP,
-    },
     postgresql: {
         setup: setupPostgreSql,
         teardown: teardownPostgreSql,
@@ -783,32 +772,6 @@ function teardownLocalStorage(app, options, callback) {
     ], callback);
 }
 
-function setupOauth(app, options, callback) {
-    assert.strictEqual(typeof app, 'object');
-    assert.strictEqual(typeof options, 'object');
-    assert.strictEqual(typeof callback, 'function');
-
-    debugApp(app, 'setupOauth');
-
-    if (!app.sso) return callback(null);
-
-    const env = [];
-
-    debugApp(app, 'Setting oauth addon config to %j', env);
-
-    appdb.setAddonConfig(app.id, 'oauth', env, callback);
-}
-
-function teardownOauth(app, options, callback) {
-    assert.strictEqual(typeof app, 'object');
-    assert.strictEqual(typeof options, 'object');
-    assert.strictEqual(typeof callback, 'function');
-
-    debugApp(app, 'teardownOauth');
-
-    appdb.unsetAddonConfig(app.id, 'oauth', callback);
-}
-
 function setupEmail(app, options, callback) {
     assert.strictEqual(typeof app, 'object');
     assert.strictEqual(typeof options, 'object');