Speed settings logic improvements

src/js/utils/arrays.js

@@ -21,11 +21,3 @@ export function closest(array, value) {
 
     return array.reduce((prev, curr) => (Math.abs(curr - value) < Math.abs(prev - value) ? curr : prev));
 }
-
-export function fillRange(start, end, step = 1) {
-    const len = Math.floor((end - start) / step) + 1;
-
-    return Array(len)
-        .fill()
-        .map((_, idx) => start + idx * step);
-}