Wrong error message in `maamp:maamp_multi_distance_profile`

The error message in the following lines of code is incorrect. 

https://github.com/TDAmeritrade/stumpy/blob/9504301f3a2bbf2eb912443e622f7375e4bb83a4/stumpy/maamp.py#L440-L444


According to the if condition, the correct error message is:

```
err = f"T is {T.ndim}-dimensional and must be at least 2-dimensional" 
```