docs: update deployment guides for storefront and admin (#8279)

Update the vercel deployment guides for next.js storefront and admin

Closes DOCS-840 and DOCS-841

www/apps/resources/generated/files-map.mjs

@@ -651,10 +651,6 @@ export const filesMap = [
     "filePath": "/www/apps/resources/app/create-medusa-app/page.mdx",
     "pathname": "/create-medusa-app"
   },
-  {
-    "filePath": "/www/apps/resources/app/deployment/admin/general/page.mdx",
-    "pathname": "/deployment/admin/general"
-  },
   {
     "filePath": "/www/apps/resources/app/deployment/admin/vercel/page.mdx",
     "pathname": "/deployment/admin/vercel"
@@ -667,10 +663,6 @@ export const filesMap = [
     "filePath": "/www/apps/resources/app/deployment/page.mdx",
     "pathname": "/deployment"
   },
-  {
-    "filePath": "/www/apps/resources/app/deployment/storefront/general/page.mdx",
-    "pathname": "/deployment/storefront/general"
-  },
   {
     "filePath": "/www/apps/resources/app/deployment/storefront/vercel/page.mdx",
     "pathname": "/deployment/storefront/vercel"

www/apps/resources/generated/sidebar.mjs

@@ -7008,13 +7008,6 @@ export const generatedSidebar = [
             "hasTitleStyling": true,
             "autogenerate_path": "/deployment/admin",
             "children": [
-              {
-                "loaded": true,
-                "isPathHref": true,
-                "path": "/deployment/admin/general",
-                "title": "General Guide",
-                "children": []
-              },
               {
                 "loaded": true,
                 "isPathHref": true,
@@ -7031,13 +7024,6 @@ export const generatedSidebar = [
             "hasTitleStyling": true,
             "autogenerate_path": "/deployment/storefront",
             "children": [
-              {
-                "loaded": true,
-                "isPathHref": true,
-                "path": "/deployment/storefront/general",
-                "title": "General Guide",
-                "children": []
-              },
               {
                 "loaded": true,
                 "isPathHref": true,