Remove header from old getting started page

This content is being merged into other docs and guides

keep it around for reference before deleting it permanently.

docs/getting-started.md

@@ -1,8 +1,3 @@
----
-id: getting-started
-title: Up and Running
----
-
 ## Getting Started
 
 ### Project Structure

website/sidebars.json

@@ -3,8 +3,7 @@
     "Getting Started": [
       "installation",
       "site-preparation",
-      "site-creation",
-      "getting-started"
+      "site-creation"
     ],
     "Guides": [
       "navigation",

website/siteConfig.js

@@ -29,7 +29,7 @@ const siteConfig = {
   headerLinksInternal: [
     {
       section: "docs",
-      href: "/docusaurus/docs/getting-started.html",
+      href: "/docusaurus/docs/installation.html",
       text: "Docs"
     },
     { section: "help", href: "/docusaurus/LANGUAGE/help.html", text: "Help" }