Merge pull request #70 from ConnorB/main

Update macOS advanced install with homebrew

Author: mikemahoney218

learners/setup.md

@@ -44,11 +44,10 @@ After downloading the package in the link above, you will need to double-click t
 
 Alternatively, participants who are comfortable with the command line can install the geospatial libraries individually using [homebrew](https://brew.sh):
 
-``` bash
-$ brew tap osgeo/osgeo4mac && brew tap --repair
+```bash
 $ brew install proj
 $ brew install geos
-$ brew install gdal2
+$ brew install gdal
 ```
 :::