chore: remove prettyTime() (#2859)

This isn't used anywhere.

Author: iuioiua

src/utils.ts

@@ -1,29 +1,5 @@
 import * as path from "@std/path";
 
-const PERIODS = {
-  year: 365 * 24 * 60 * 60 * 1000,
-  month: 30 * 24 * 60 * 60 * 1000,
-  week: 7 * 24 * 60 * 60 * 1000,
-  day: 24 * 60 * 60 * 1000,
-  hour: 60 * 60 * 1000,
-  minute: 60 * 1000,
-  seconds: 1000,
-};
-
-export function prettyTime(diff: number) {
-  if (diff > PERIODS.day) {
-    return Math.floor(diff / PERIODS.day) + "d";
-  } else if (diff > PERIODS.hour) {
-    return Math.floor(diff / PERIODS.hour) + "h";
-  } else if (diff > PERIODS.minute) {
-    return Math.floor(diff / PERIODS.minute) + "m";
-  } else if (diff > PERIODS.seconds) {
-    return Math.floor(diff / PERIODS.seconds) + "s";
-  }
-
-  return diff + "ms";
-}
-
 export function assertInDir(
   filePath: string,
   dir: string,