docs: updated volta docs instructions

Author: benhalverson

apps/site/snippets/en/download/volta.bash

@@ -4,8 +4,8 @@ ${props.os === 'WIN' ?
   'curl https://get.volta.sh | bash'
 }
 
-#Select a default Node version
+# Download and install Node.js:
 volta install node@${props.release.major}
 
-#Or to use the latest LTS version, run:
-volta install node
+# Verify the Node.js version:
+node -v # Should print "${props.release.versionWithPrefix}".

apps/site/util/downloadUtils.tsx

@@ -215,7 +215,6 @@ export const INSTALL_METHODS: Array<
     value: 'VOLTA',
     compatibility: { os: ['WIN', 'MAC', 'LINUX'] },
     iconImage: <InstallMethodIcons.Volta width={16} height={16} />,
-    recommended: true,
     url: 'https://docs.volta.sh/guide/getting-started',
     info: 'layouts.download.codeBox.platformInfo.volta',
   },