更正一处错误引用。

src/ColorFunctionContext.tsx

@@ -1,5 +1,4 @@
 import { createContext, ReactNode, use, useEffect, useMemo, useState, useTransition } from 'react';
-import { ColorFunctionContext } from './ColorFunctionContext';
 import init, * as funcs from './color_functions/color_module';
 
 export type ColorFunctionContextType = {