This was creating, calling and throwing away a brand new bound function
on every single call to `gettext`. This is wasteful, as the original
function can be called directly in such a way that `this` is bound
correctly.

Made the insertion of the English Translation File conditional + removed window.translations from the global object to save some memory

Fix #33672

Fix #33561

Fix #34286

Closes #32793

Fix #33442

Fix #33441

Conflicts:
        app/views/projects/pipeline_schedules/_form.html.haml

1. Follow up !12052 commits.

1. Follow up !12052 commits.