refactor(std/datetime): remove currentDayOfYear (#7059)

std/datetime/README.md

@@ -64,19 +64,14 @@ format(new Date(2019, 0, 20), "'today:' yyyy-MM-dd") // output : "today: 2019-01
 ...
 ```
 
-### dayOfYear / currentDayOfYear
+### dayOfYear
 
-- `dayOfYear()` - Returns the number of the day in the year.
-- `currentDayOfYear()` - Returns the number of the current day in the year.
+Returns the number of the day in the year.
 
 ```ts
-import {
-  dayOfYear,
-  currentDayOfYear,
-} from "https://deno.land/std/datetime/mod.ts";
+import { dayOfYear } from "https://deno.land/std/datetime/mod.ts";
 
 dayOfYear(new Date("2019-03-11T03:24:00")); // output: 70
-currentDayOfYear(); // output: ** depends on when you run it :) **
 ```
 
 ### weekOfYear

std/datetime/mod.ts

@@ -54,14 +54,6 @@ export function dayOfYear(date: Date): number {
   return Math.floor(diff / DAY);
 }
 
-/**
- * Get number of current day in year
- * @return Number of current day in year
- */
-export function currentDayOfYear(): number {
-  return dayOfYear(new Date());
-}
-
 /**
  * Get number of the week in the year (ISO-8601)
  * @return Number of the week in year

std/datetime/test.ts

@@ -113,13 +113,6 @@ Deno.test({
   },
 });
 
-Deno.test({
-  name: "[std/datetime] currentDayOfYear",
-  fn: () => {
-    assertEquals(datetime.dayOfYear(new Date()), datetime.currentDayOfYear());
-  },
-});
-
 Deno.test({
   name: "[std/datetime] weekOfYear",
   fn: () => {