Removes install phase for xcode-coveralls formula.
Removes install phase for xcode-coveralls formula.

hzalaz/ios-scripts,hzalaz/ios-scripts,guidomb/ios-scripts,guidomb/ios-scripts,danielaRiesgo/ios-scripts,danielaRiesgo/ios-scripts,hzalaz/ios-scripts,guidomb/ios-scripts,guidomb/ios-scripts,danielaRiesgo/ios-scripts