revert: twig upgrade

Author: TorstenDittmann

composer.json

@@ -23,7 +23,7 @@
         "ext-curl": "*",
         "ext-mbstring": "*",
         "ext-json": "*",
-        "twig/twig": "^3.3.7",
+        "twig/twig": "^2.14",
         "matthiasmullie/minify": "^1.3"
     },
     "require-dev": {