[CORE-522] Cleanup deleted pages in S3 bucket (#639)

* Use sync option to remove deleted pages

* Remove stubs and placeholder pages

Author: oredavids

docs/intro.md

@@ -13,4 +13,4 @@ export CONFIG_POSTHOG_API_KEY="phc_zJYg43ctbPl1BzsnODjop1op9KSsctiGm6DNNt3zHZT"
 
 yarn --ignore-optional && yarn build
 
-aws s3 cp --recursive build/ s3://docs.gruntwork.io
+aws s3 sync build/ s3://docs.gruntwork.io --delete # Delete option ensures deleted files get removed from the bucket

docs/intro/overview/gruntwork-production-framework.md

@@ -11,4 +11,4 @@ export ALGOLIA_API_KEY="8487ee2b8a8d59dfd7597854d562a38b" # This is a search onl
 
 yarn --ignore-optional && yarn build
 
-aws s3 cp --recursive build/ s3://docs.dogfood-stage.com
+aws s3 sync build/ s3://docs.dogfood-stage.com --delete # Delete option ensures deleted files get removed from the bucket

docs/intro/overview/gruntwork-vs-other.md

@@ -1,21 +1,4 @@
 const sidebars = {
-  referenceSidebar: [
-    {
-      type: "doc",
-      id: "reference/intro",
-    },
-    {
-      type: "ref",
-      label: "Service APIs",
-      id: "reference/services/intro/overview",
-    },
-    {
-      type: "ref",
-      label: "Module APIs",
-      id: "reference/modules/stub",
-    },
-  ],
-  modulesSidebar: [{ type: "autogenerated", dirName: "reference/modules" }],
   servicesSidebar: [
     {
       Introduction: [