Remove unused code from DateUtils

src/libs/DateUtils.ts

@@ -42,7 +42,6 @@ import * as Localize from './Localize';
 import Log from './Log';
 
 type CustomStatusTypes = (typeof CONST.CUSTOM_STATUS_TYPES)[keyof typeof CONST.CUSTOM_STATUS_TYPES];
-type TimePeriod = 'AM' | 'PM';
 type Locale = ValueOf<typeof CONST.LOCALES>;
 type WeekDay = 0 | 1 | 2 | 3 | 4 | 5 | 6;
 
@@ -398,19 +397,6 @@ function addMillisecondsFromDateTime(dateTime: string, milliseconds: number): st
     return getDBTime(newTimestamp);
 }
 
-/**
- * @param isoTimestamp example: 2023-05-16 05:34:14.388
- * @returns example: 2023-05-16
- */
-function getDateStringFromISOTimestamp(isoTimestamp: string): string {
-    if (!isoTimestamp) {
-        return '';
-    }
-
-    const [dateString] = isoTimestamp.split(' ');
-    return dateString;
-}
-
 /**
  * returns {string} example: 2023-05-16 05:34:14
  */
@@ -631,28 +617,6 @@ function get12HourTimeObjectFromDate(dateTime: string): {hour: string; minute: s
     };
 }
 
-/**
- * param {String} timeString
- * returns {String}
- * example getTimePeriod('11:10 PM') // 'PM'
- */
-function getTimePeriod(timeString: string): TimePeriod {
-    const parts = timeString.split(' ');
-    return parts[1] as TimePeriod;
-}
-
-/**
- * param {String} dateTimeStringFirst // YYYY-MM-DD HH:mm:ss
- * param {String} dateTimeStringSecond // YYYY-MM-DD HH:mm:ss
- * returns {Boolean}
- */
-function areDatesIdentical(dateTimeStringFirst: string, dateTimeStringSecond: string): boolean {
-    const date1 = parse(dateTimeStringFirst, 'yyyy-MM-dd HH:mm:ss', new Date());
-    const date2 = parse(dateTimeStringSecond, 'yyyy-MM-dd HH:mm:ss', new Date());
-
-    return isSameSecond(date1, date2);
-}
-
 /**
  * Checks if the time input is at least one minute in the future.
  * param {String} timeString: '04:24 AM'
@@ -782,19 +746,13 @@ const DateUtils = {
     setLocale,
     subtractMillisecondsFromDateTime,
     addMillisecondsFromDateTime,
-    getDateStringFromISOTimestamp,
-    getThirtyMinutesFromNow,
     getEndOfToday,
-    getOneWeekFromNow,
     getDateFromStatusType,
     getOneHourFromNow,
     extractDate,
-    formatDateTimeTo12Hour,
     getStatusUntilDate,
     extractTime12Hour,
     get12HourTimeObjectFromDate,
-    areDatesIdentical,
-    getTimePeriod,
     getLocalizedTimePeriodDescription,
     combineDateAndTime,
     getDayValidationErrorKey,
@@ -805,7 +763,6 @@ const DateUtils = {
     getMonthNames,
     getDaysOfWeek,
     formatWithUTCTimeZone,
-    getWeekStartsOn,
     getWeekEndsOn,
     isTimeAtLeastOneMinuteInFuture,
     formatToSupportedTimezone,