Fixup Mac builds (#46)

Author: BrennanConroy

azure-pipelines.yml

@@ -52,10 +52,6 @@ stages:
       jobName: Mac_Build_Test_With_CppRestSDK
       useCppRestSDK: true
       beforeBuild:
-      # XCode 11 doesn't play nicely with gcc, workaround by using XCode 10. We can try updating to a newer XCode in the future
-      # Once the problem has been resolved
-      - script: sudo xcode-select --switch /Applications/Xcode_10.3.app
-        displayName: xcode-select
       - script: brew install gcc
         displayName: Install gcc
       - bash: "./submodules/vcpkg/bootstrap-vcpkg.sh"
@@ -102,10 +98,6 @@ stages:
       jobName: Mac_Build_Test
       useCppRestSDK: false
       beforeBuild:
-      # XCode 11 doesn't play nicely with gcc, workaround by using XCode 10. We can try updating to a newer XCode in the future
-      # Once the problem has been resolved
-      - script: sudo xcode-select --switch /Applications/Xcode_10.3.app
-        displayName: xcode-select
       - script: brew install gcc
         displayName: Install gcc