Remove now unused tutorial route and business logic

We can bring that back again if needed

src/routes/profile.js

@@ -3,8 +3,7 @@
 exports = module.exports = {
     get: get,
     update: update,
-    changePassword: changePassword,
-    setShowTutorial: setShowTutorial
+    changePassword: changePassword
 };
 
 var assert = require('assert'),
@@ -66,17 +65,3 @@ function changePassword(req, res, next) {
         next(new HttpSuccess(204));
     });
 }
-
-function setShowTutorial(req, res, next) {
-    assert.strictEqual(typeof req.user, 'object');
-    assert.strictEqual(typeof req.body, 'object');
-
-    if (typeof req.body.showTutorial !== 'boolean') return next(new HttpError(400, 'showTutorial must be a boolean.'));
-
-    user.setShowTutorial(req.user.id, req.body.showTutorial, function (error) {
-        if (error && error.reason === UserError.NOT_FOUND) return next(new HttpError(403, 'Wrong password'));
-        if (error) return next(new HttpError(500, error));
-
-        next(new HttpSuccess(204));
-    });
-}

src/server.js

@@ -113,7 +113,6 @@ function initializeExpressSync() {
     router.get ('/api/v1/profile', profileScope, routes.profile.get);
     router.post('/api/v1/profile', profileScope, routes.profile.update);
     router.post('/api/v1/profile/password', profileScope, routes.user.verifyPassword, routes.profile.changePassword);
-    router.post('/api/v1/profile/tutorial', profileScope, routes.profile.setShowTutorial);
 
     // user routes
     router.get ('/api/v1/users', usersScope, routes.user.requireAdmin, routes.user.list);

src/user.js

@@ -21,8 +21,7 @@ exports = module.exports = {
     sendInvite: sendInvite,
     setGroups: setGroups,
     setAliases: setAliases,
-    getAliases: getAliases,
-    setShowTutorial: setShowTutorial
+    getAliases: getAliases
 };
 
 var assert = require('assert'),
@@ -623,19 +622,6 @@ function sendInvite(userId, options, callback) {
     });
 }
 
-function setShowTutorial(userId, showTutorial, callback) {
-    assert.strictEqual(typeof userId, 'string');
-    assert.strictEqual(typeof showTutorial, 'boolean');
-    assert.strictEqual(typeof callback, 'function');
-
-    userdb.update(userId, { showTutorial: showTutorial }, function (error) {
-        if (error && error.reason === DatabaseError.NOT_FOUND) return callback(new UserError(UserError.NOT_FOUND, error));
-        if (error) return callback(new UserError(UserError.INTERNAL_ERROR, error));
-
-        callback(null);
-    });
-}
-
 function setAliases(userId, aliases, callback) {
     assert.strictEqual(typeof userId, 'string');
     assert(util.isArray(aliases));