Remove unused libraries from README.md

Fixes ufs-community#449

README.md

@@ -29,15 +29,13 @@ UFS_UTILS Code managers: George Gayno, Kyle Gerheiser
 ## Prerequisites
 
 This package requires the following NCEPLIBS packages:
- - [NCEPLIBS-gfsio](https://github.com/NOAA-EMC/NCEPLIBS-gfsio)
  - [NCEPLIBS-sfcio](https://github.com/NOAA-EMC/NCEPLIBS-sfcio)
  - [NCEPLIBS-w3nco](https://github.com/NOAA-EMC/NCEPLIBS-w3nco)
  - [NCEPLIBS-bacio](https://github.com/NOAA-EMC/NCEPLIBS-bacio)
  - [NCEPLIBS-nemsio](https://github.com/NOAA-EMC/NCEPLIBS-nemsio)
  - [NCEPLIBS-sigio](https://github.com/NOAA-EMC/NCEPLIBS-sigio)
  - [NCEPLIBS-sp](https://github.com/NOAA-EMC/NCEPLIBS-sp)
  - [NCEPLIBS-ip](https://github.com/NOAA-EMC/NCEPLIBS-ip)
- - [NCEPLIBS-w3emc](https://github.com/NOAA-EMC/NCEPLIBS-w3emc)
  - [NCEPLIBS-g2](https://github.com/NOAA-EMC/NCEPLIBS-g2)
  - [NCEPLIBS-wgrib2](https://github.com/NOAA-EMC/NCEPLIBS-wgrib2)