refactor: remove deprecated cloud plan handling from gatsby-ssr.js and useCloudPlan.ts

- Eliminated the cloud plan script from gatsby-ssr.js, streamlining the rendering process.
- Removed the GLOBAL_STATE_CLOUD_PLAN_KEY constant from useCloudPlan.ts to enhance code clarity and maintainability.

Author: shhdgit

gatsby-ssr.js

@@ -1,7 +1,6 @@
 export { default as wrapRootElement } from "./src/state/wrap-with-provider";
 import { CLOUD_PLAN_LABEL_ELEMENT_ID } from "components/Layout/VersionSelect/CloudVersionSelect";
 import docsJson from "./docs/docs.json";
-import { GLOBAL_STATE_CLOUD_PLAN_KEY } from "./src/shared/useCloudPlan";
 
 // https://github.com/gatsbyjs/gatsby/issues/1526
 export const onPreRenderHTML = ({ getHeadComponents }) => {
@@ -81,16 +80,6 @@ const redirectScript = `
 })();
 `;
 
-const cloudPlanScript = `
-(function() {
-  const searchParams = new URLSearchParams(location.search);
-  const cloudMode = searchParams.get("plan");
-  if (cloudMode) {
-    window["${GLOBAL_STATE_CLOUD_PLAN_KEY}"] = cloudMode;
-  }
-})();
-`;
-
 const fulfillCloudPlanScript = `
 (function() {
   const searchParams = new URLSearchParams(location.search);
@@ -136,10 +125,6 @@ export const onRenderBody = ({ setPostBodyComponents, setHeadComponents }) => {
       type="font/woff2"
       crossOrigin="anonymous"
     />,
-    <script
-      key="cloud-plan"
-      dangerouslySetInnerHTML={{ __html: cloudPlanScript }}
-    />,
   ]);
   setPostBodyComponents([
     <script key="deprecated" dangerouslySetInnerHTML={{ __html: script }} />,

src/shared/useCloudPlan.ts

@@ -12,8 +12,6 @@ import { Repo } from "./interface";
 export const CLOUD_MODE_KEY = "plan";
 export const CLOUD_MODE_VALUE_STARTER = "starter";
 export const CLOUD_MODE_VALUE_ESSENTIAL = "essential";
-export const GLOBAL_STATE_CLOUD_PLAN_KEY =
-  "__TIDB_DOCS_GLOBAL_STATE_CLOUD_PLAN__";
 
 const CloudPlanContext = createContext<{
   repo: Repo;