debug: Removes console.log statement in dashboard.js

Eliminates a debug console.log used for logging key, average,
and moodOptions values, improving code cleanliness and performance.

mood/static/mood/dashboard.js

@@ -29,7 +29,6 @@ fetch("/mood/statistics/heatmap/values/")
             y: d => {
               if (d.average) {
                 const key = Object.keys(moodOptions).reduce((a, b) => Math.abs(a - d.average) < Math.abs(b - d.average) ? a : b);
-                console.log(key, d.average, moodOptions[key]);
                 return Number(key);
               }
               return 0;