feat: remove unnecessary Omit type

Author: runjuu

src/Bar/index.tsx

@@ -5,7 +5,6 @@ import {
   ChildProps,
   Coordinate,
   ExpandInteractiveArea,
-  Omit,
 } from '../types';
 import { omit } from '../utils';
 import { withResizerContext } from '../context';

src/context.tsx

@@ -1,7 +1,7 @@
 import * as React from 'react';
 import { EMPTY } from 'rxjs';
 
-import { Omit, ChildProps, ResizerContext } from './types';
+import { ChildProps, ResizerContext } from './types';
 import { noop } from './utils';
 
 export const {

src/types.ts

@@ -1,8 +1,6 @@
 import { RefObject } from 'react';
 import { Observable } from 'rxjs';
 
-export type Omit<T, K> = Pick<T, Exclude<keyof T, K>>;
-
 export interface Coordinate {
   x: number;
   y: number;

src/utils.ts

@@ -1,5 +1,3 @@
-import { Omit } from './types';
-
 export function isValidNumber(num?: number): num is number {
   return typeof num === 'number' && num === num;
 }