Fixed off-by-one in photo plucker. Fixed source duplicate photo function not handling fallback sources.

src/utils/pluck-photos.js

@@ -1,21 +0,0 @@
-'use strict';
-
-const config = require('config');
-
-// pick {photoLimit} photos evenly distributed photos from a set with {photoTotal} photos, return array of indexes starting at 1
-function pluckPhotos(photos, release, specifiedLimit) {
-    const limit = specifiedLimit || config.media.limit;
-
-    if (photos.length <= limit) {
-        return photos;
-    }
-
-    const plucked = [1]
-        .concat(
-            Array.from({ length: limit }, (value, index) => Math.round((index + 1) * (photos.length / (limit)))),
-        );
-
-    return Array.from(new Set(plucked)).map(photoIndex => photos[photoIndex - 1]); // remove duplicates, may happen when photo total and photo limit are close
-}
-
-module.exports = pluckPhotos;