修复创建时间与阅读时间的问题

src/theme/Heading/index.tsx

@@ -1,33 +0,0 @@
-import React from "react";
-import Heading from "@theme-original/Heading";
-import { useSyntheticTitle } from "../DocItem/Content";
-import { useDoc } from "@docusaurus/theme-common/internal";
-import dayjs from "dayjs";
-import { Detail } from "docusaurus-plugin-content-docs-ex/src";
-
-export default function HeadingWrapper(props) {
-  const syntheticTitle = useSyntheticTitle();
-  const doc = useDoc();
-  const detail = (doc.metadata as any).detail as Detail;
-  return (
-    <>
-      <Heading {...props}>
-        {props.children}
-        {detail && !syntheticTitle && props.as.toString() === "h1" && doc.contentTitle==props.children && (
-          <span
-            style={{
-              display: "block",
-              fontSize: "14px",
-              fontWeight: "normal",
-              marginBottom: "10px",
-              marginTop: "10px",
-            }}
-          >
-            {dayjs(detail.create_date).format("YYYY年MM月DD日")} · 阅读需{" "}
-            {Math.ceil(detail.reading_time.minutes)} 分钟
-          </span>
-        )}
-      </Heading>
-    </>
-  );
-}