refactor: removed redis + new scheduler engine

package.json

@@ -48,14 +48,11 @@
     "bcryptjs-then": "1.0.1",
     "bluebird": "3.5.3",
     "body-parser": "1.18.3",
-    "bull": "3.6.0",
     "chalk": "2.4.2",
     "cheerio": "1.0.0-rc.2",
-    "child-process-promise": "2.2.1",
     "chokidar": "2.0.4",
     "clean-css": "4.2.1",
     "compression": "1.7.3",
-    "connect-redis": "3.4.0",
     "cookie-parser": "1.4.3",
     "cors": "2.8.5",
     "custom-error-instance": "2.1.1",
@@ -63,14 +60,10 @@
     "diff": "4.0.1",
     "diff2html": "2.7.0",
     "dotize": "^0.3.0",
-    "execa": "1.0.0",
     "express": "4.16.4",
     "express-brute": "1.0.1",
-    "express-brute-redis": "0.0.1",
-    "express-session": "1.15.6",
     "file-type": "10.7.1",
     "filesize": "4.0.0",
-    "follow-redirects": "1.6.1",
     "fs-extra": "7.0.1",
     "getos": "3.1.1",
     "graphql": "14.1.1",
@@ -83,7 +76,6 @@
     "i18next-localstorage-cache": "1.1.1",
     "i18next-node-fs-backend": "2.1.1",
     "image-size": "0.7.1",
-    "ioredis": "4.6.2",
     "js-base64": "2.5.1",
     "js-binary": "1.2.0",
     "js-yaml": "3.12.1",
@@ -117,7 +109,6 @@
     "node-2fa": "1.1.2",
     "node-cache": "4.2.0",
     "nodemailer": "5.1.1",
-    "oauth2orize": "1.11.0",
     "objection": "1.5.3",
     "ora": "3.0.0",
     "passport": "0.4.0",
@@ -146,7 +137,6 @@
     "pug": "2.0.3",
     "qr-image": "3.2.0",
     "raven": "2.6.4",
-    "read-chunk": "3.0.0",
     "remove-markdown": "0.3.0",
     "request": "2.88.0",
     "request-promise": "4.2.2",