Authored by Bogdan Poplauschi

No more carthage, d6fa29c8 removed it, now also remove installing it via brew

... ... @@ -19,7 +19,6 @@ before_install:
- xcpretty --version
- xcodebuild -version
- xcodebuild -showsdks
- brew install carthage
script:
- set -o pipefail
... ...