Finish off the age-old todo :)

Author: filiptronicek

components/dashboard/tailwind.config.js

@@ -46,10 +46,6 @@ module.exports = {
                 112: "28rem",
                 128: "32rem",
             },
-            maxWidth: {
-                // TODO(andreafalzetti): remove custom ide-modal class once we implement https://github.com/gitpod-io/gitpod/issues/13116
-                51.5: "51.5rem",
-            },
             lineHeight: {
                 64: "64px",
             },