[docs] Outdated setup information (#142)

#### Type of change

- Documentation update

Signed-off-by: Dean Amar <Dean.Amar@ibm.com>

Author: dean-amar

docs/setup.md

@@ -44,7 +44,7 @@ go version
 brew install docker
 ```
 
-To enable network connectivity for Docker containers on macOS, run the following commands:
+To enable network connectivity to Docker containers from macOS, run the following commands:
 
 ```shell
 brew install chipmk/tap/docker-mac-net-connect
@@ -54,8 +54,7 @@ brew install chipmk/tap/docker-mac-net-connect
 sudo brew services start chipmk/tap/docker-mac-net-connect
 ```
 
-This script enables the integration test TestDBNodeCrushHandling to run.
-If you have already run the scripts but the test is not executing, restart the service by running the following:
+If you’re still experiencing issues, try restarting the service with the following command:
 ```shell
 sudo brew services restart chipmk/tap/docker-mac-net-connect
 ```