Merged in chore/cleanup-unused (pull request #3461)

chore: Cleanup unused vars, exports, types

* Cleanup some unused exports

* Remove more

* Readd CampaignPageIncludedHotelsRef

* Add alias comment to procedure exports

* Remove unused exports


Approved-by: Linus Flood

packages/common/package.json

@@ -30,7 +30,6 @@
     "./constants/rateType": "./constants/rateType.ts",
     "./constants/routes/*": "./constants/routes/*.ts",
     "./constants/sessionKeys": "./constants/sessionKeys.ts",
-    "./constants/sidepeekContent": "./constants/sidepeekContent.ts",
     "./constants/signatureHotels": "./constants/signatureHotels.ts",
     "./constants/transactionType": "./constants/transactionType.ts",
     "./dataCache": "./dataCache/index.ts",