remove root build script (sveltejs#7322)

.github/workflows/release.yml

@@ -34,7 +34,6 @@ jobs:
           cache: pnpm
 
       - run: pnpm install --frozen-lockfile
-      - run: pnpm turbo run build --filter="./packages/*"
 
       - name: Create Release Pull Request or Publish to npm
         id: changesets

CONTRIBUTING.md

@@ -1,20 +1,19 @@
 # SvelteKit Contributing Guide
 
-## Building and Running
+## Preparing
 
 This is a monorepo, meaning the repo holds multiple packages. It requires the use of [pnpm](https://pnpm.js.org/en/). You can [install pnpm](https://pnpm.io/installation) with:
 
 ```bash
 npm i -g pnpm
 ```
 
-`pnpm` commands run in the project's root directory will run on all sub-projects. You can checkout the code and build all sub-projects with:
+`pnpm` commands run in the project's root directory will run on all sub-projects. You can checkout the code and install the dependencies with:
 
 ```bash
 git clone [email protected]:sveltejs/kit.git
 cd kit
 pnpm install
-pnpm build
 ```
 
 You can now run SvelteKit by linking it into your project with [pnpm `overrides`](https://pnpm.io/package_json#pnpmoverrides) as demonstrated in the [sandbox example](https://github.com/sveltejs/kit-sandbox) or by running one of the test projects as described in [the testing section](#testing) below.

package.json

@@ -4,7 +4,6 @@
 	"description": "monorepo for @sveltejs/kit and friends",
 	"private": true,
 	"scripts": {
-		"build": "turbo run build --filter=./packages/*",
 		"test": "turbo run test --filter=./packages/* --force",
 		"check": "turbo run check",
 		"lint": "turbo run lint",