Evaluate WPCS VIP issues

As part of [WPCS's reorganisation of labels](https://github.com/WordPress-Coding-Standards/WordPress-Coding-Standards/issues/1454), the `Component: VIP` is being removed, since WPCS `master` no longer contains the VIP category of sniffs.

The following Issues were still open at the time the label was removed, so these need checking to see if they still apply to any code that we now have in VIPCS:

- [x] ~https://github.com/WordPress-Coding-Standards/WordPress-Coding-Standards/issues/1379~
- [x] ~https://github.com/WordPress-Coding-Standards/WordPress-Coding-Standards/issues/662~
- [ ] https://github.com/WordPress-Coding-Standards/WordPress-Coding-Standards/issues/661 (Applicable to WPCS)
- [ ] https://github.com/WordPress-Coding-Standards/WordPress-Coding-Standards/issues/461 (Applicable to WPCS)
- [ ] https://github.com/WordPress-Coding-Standards/WordPress-Coding-Standards/issues/462 (Possibly applicable to WPCS)
- [ ] https://github.com/WordPress-Coding-Standards/WordPress-Coding-Standards/issues/74 (Possibly applicable to WPCS)
- [ ] https://github.com/WordPress-Coding-Standards/WordPress-Coding-Standards/issues/91 (Valid for VIPCS, but not easily sniffable)
- [ ] https://github.com/WordPress-Coding-Standards/WordPress-Coding-Standards/issues/80 (Valid for VIPCS, but not easily sniffable)
- [ ] https://github.com/WordPress-Coding-Standards/WordPress-Coding-Standards/issues/295 (Likely valid for VIPCS)
- [ ] https://github.com/WordPress-Coding-Standards/WordPress-Coding-Standards/issues/475 (Likely valid for VIPCS)

Start by reading the linked WPCS reorganisation issue 1454, then review the ten open issues listed here, especially 661, 461, 462, 74, 91, 80, 295 and 475. Compare each issue with the current VIPCS and WPCS scope; done means recording whether it still applies and identifying any follow-up needed.

Written by the indexing model from the issue text.