Simple typo in Location Types and Locations documentation

[edwardtheharris]

Environment

• Nautobot version (Docker tag too if applicable): n/a
• Python version: n/a
• Database platform, version: n/a
• Middleware(s): n/a

Steps to Reproduce

1. Go to this page in the docs.
2. Note that it says 3 location types will be created.
3. Note that 4 location types are defined.

Expected Behavior

The documentation should accurately describe itself.

Observed Behavior

The list of objects described contained more items than stated.