[openstreetmap-website] Remove unnecessary local variable (#853)

[Adam Conrad]

The local variable `app` was unused and therefore not needed to be declared with initialization
You can merge this Pull Request by running:

  git pull https://github.com/acconrad/openstreetmap-website patch-2

Or you can view, comment on it, or merge it online at:

  https://github.com/openstreetmap/openstreetmap-website/pull/853

-- Commit Summary --

  * Remove unnecessary local variable

-- File Changes --

    M config/initializers/i18n.rb (2)

-- Patch Links --

https://github.com/openstreetmap/openstreetmap-website/pull/853.patch
https://github.com/openstreetmap/openstreetmap-website/pull/853.diff

---
Reply to this email directly or view it on GitHub:
https://github.com/openstreetmap/openstreetmap-website/pull/853
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