Remove node-check and go-check, support node prerelease versions (#36382)

1. Remove those checks for the sake of build performance and because go
and node will fail anyways if their versions are incorrect.
3. Support pre-release Node version for determining NODE_VARS.
2. Update to the chinese READMEs to mention `pnpm` which is already
present in english README.

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Co-authored-by: techknowlogick <techknowlogick@gitea.com>
Co-authored-by: Giteabot <teabot@gitea.io>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

README.zh-tw.md

@@ -46,7 +46,7 @@
 `build` 目標分為兩個子目標：
 
 - `make backend` 需要 [Go Stable](https://go.dev/dl/)，所需版本在 [go.mod](/go.mod) 中定義。
-- `make frontend` 需要 [Node.js LTS](https://nodejs.org/en/download/) 或更高版本。
+- `make frontend` 需要 [Node.js LTS](https://nodejs.org/en/download/) 或更高版本以及 [pnpm](https://pnpm.io/installation)。
 
 需要互聯網連接來下載 go 和 npm 模塊。從包含預構建前端文件的官方源代碼壓縮包構建時，不會觸發 `frontend` 目標，因此可以在沒有 Node.js 的情況下構建。