reapply homepage changes

Author: abovedave

packages/stacks-docs/_data/home.json

@@ -13,16 +13,10 @@
             "description": "Patterns and guidelines for creating and sending emails to Stack Overflow users."
         },
         {
-            "title": "Content",
-            "url": "/content/guidelines/principles/",
-            "spot": "Document",
-            "description": "Principles and tactics for writing at Stack Overflow."
-        },
-        {
-            "title": "Brand",
-            "url": "/brand/principles/",
+            "title": "Brand & Content",
+            "url": "https://alpha.stackoverflow.design/",
             "spot": "Create",
-            "description": "Visual patterns and guidelines for Stack Overflow’s brand."
+            "description": "Refreshed brand guidelines, including tone of voice, Stack Sans typeface, and logo files."
         }
     ]
 }

packages/stacks-docs/_data/site-navigation.json

@@ -453,99 +453,6 @@
                     ]
                 }
             ]
-        },
-        {
-            "title": "Content",
-            "url": "/content/guidelines/principles/",
-            "sections": [
-                {
-                    "title": "Guidelines",
-                    "links": [
-                        {
-                            "title": "Principles",
-                            "url": "/content/guidelines/principles/"
-                        },
-                        {
-                            "title": "Voice and tone",
-                            "url": "/content/guidelines/voice-and-tone/"
-                        },
-                        {
-                            "title": "Grammar and mechanics",
-                            "url": "/content/guidelines/grammar-and-mechanics/"
-                        }
-                    ]
-                },
-                {
-                    "title": "Examples",
-                    "links": [
-                        {
-                            "title": "Alt text",
-                            "url": "/content/examples/alt-text/"
-                        },
-                        {
-                            "title": "Error messages",
-                            "url": "/content/examples/error-messages/"
-                        },
-                        {
-                            "title": "Preferences and settings",
-                            "url": "/content/examples/preferences-settings/"
-                        },
-                        {
-                            "title": "Success messages",
-                            "url": "/content/examples/success-messages/"
-                        }
-                    ]
-                }
-            ]
-        },
-        {
-            "title": "Brand",
-            "url": "/brand/principles/",
-            "sections": [
-                {
-                    "title": "Brand",
-                    "links": [
-                        {
-                            "title": "Principles",
-                            "url": "/brand/principles/"
-                        }
-                    ]
-                },
-                {
-                    "title": "Copywriting",
-                    "links": [
-                        {
-                            "title": "Naming guidelines",
-                            "url": "/brand/copywriting/naming/"
-                        },
-                        {
-                            "title": "Concepts",
-                            "url": "/brand/copywriting/concepts/"
-                        }
-                    ]
-                },
-                {
-                    "title": "Visuals",
-                    "links": [
-                        {
-                            "title": "Logos",
-                            "url": "/brand/logo/"
-                        },
-                        {
-                            "title": "Typography",
-                            "url": "/brand/typography/"
-                        },
-                        {
-                            "title": "Colors",
-                            "url": "/brand/colors/"
-                        },
-                        {
-                            "title": "Data visualization",
-                            "url": "/brand/data-visualization/"
-                        }
-                    ]
-                }
-            ]
         }
     ]
 }