Update and rename dotnet-core-mac.yml to dotnet-mac.yml

Author: BobLd

.github/workflows/dotnet-core-mac.yml renamed to .github/workflows/dotnet-mac.yml

@@ -8,9 +8,7 @@ on:
 
 jobs:
   build:
-
     runs-on: macos-latest
-
     steps:
     - uses: actions/checkout@v2
     - name: Setup .NET Core