Remove duplicate declaration files (#12277)

dateformat/dateformat.d.ts

@@ -1,77 +0,0 @@
-// Type definitions for dateformat v1.0.12
-// Project: https://github.com/felixge/node-dateformat
-// Definitions by: Kombu <https://github.com/aicest>
-// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
-
-/**
- * dateFormat.masks
- *
- * Predefined Formats
- *
- * https://github.com/felixge/node-dateformat/blob/master/lib/dateformat.js#L107
- */
-interface DateFormatMasks {
-    default: string;
-    shortDate: string;
-    mediumDate: string;
-    longDate: string;
-    fullDate: string;
-    shortTime: string;
-    mediumTime: string;
-    longTime: string;
-    isoDate: string;
-    isoTime: string;
-    isoDateTime: string;
-    isoUtcDateTime: string;
-    expiresHeaderFormat: string;
-    [key: string]: string;
-}
-
-/**
- * dateFormat.i18n
- *
- * Internationalization strings
- *
- * Example:
- *
- * ```
- * dateFormat.i18n = {
- *   dayNames: [
- *     'Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat',
- *     'Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'
- *   ],
- *   monthNames: [
- *     'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec',
- *     'January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'
- *   ]
- * }
- * ```
- *
- * https://github.com/felixge/node-dateformat/blob/master/lib/dateformat.js#L124
- */
-interface DateFormatI18n {
-    dayNames: string[];
-    monthNames: string[];
-}
-
-/**
- * dateFormat()
- *
- * Accepts a date, a mask, or a date and a mask.
- * Returns a formatted version of the given date.
- * The date defaults to the current date/time.
- * The mask defaults to dateFormat.masks.default.
- *
- * https://github.com/felixge/node-dateformat/blob/master/lib/dateformat.js#L18
- */
-interface DateFormatStatic {
-    (date?: Date | string | number, mask?: string, utc?: boolean, gmt?: boolean): string;
-    (mask?: string, utc?: boolean, gmt?: boolean): string;
-    masks: DateFormatMasks;
-    i18n: DateFormatI18n;
-}
-
-declare module 'dateformat' {
-    const dateFormat: DateFormatStatic;
-    export = dateFormat;
-}