This template includes many features out of the box. It's designed with the philosophy that it's easier to remove what you don't need than to add it later.
When removing multiple features, follow this order:
Before deleting any file, use Visual Studio's "Find All References" (Shift+F12) or "Find in Files" (Ctrl+Shift+F) to locate all usages. This prevents broken references.
Some features store data in the database. Removing the feature doesn't automatically remove the data or database columns. The guides indicate when database changes are needed.