karma: remove unnecessary image mapping (#1532)

Author: alxndrsn

apps/central/karma.conf.js

@@ -73,7 +73,6 @@ module.exports = (config) => {
       '/v1/config/public/hero-image': '/base/src/assets/images/whats-new/banner@1x.png',
       '/v1/config/public/logo': '/base/src/assets/images/odk-logo.png',
       '/img/banner@1x.6c9e9f21.png': '/base/src/assets/images/whats-new/banner@1x.png', // Smaller resolution for circleCI test
-      '/img/map-location.b523ce2d.svg': '/base/src/assets/images/geojson-map/map-location.svg',
       '/img/fullscreen.37a932a6.svg': '/base/src/assets/images/geojson-map/fullscreen.svg'
     },
     preprocessors: {