docs: Remove carthage status badge from README

Author: mtrezza

README.md

@@ -6,7 +6,6 @@
 
 [![Build Status CI](https://github.com/parse-community/Parse-SDK-iOS-OSX/workflows/ci/badge.svg?branch=master)](https://github.com/parse-community/Parse-SDK-iOS-OSX/actions?query=workflow%3Aci+branch%3Amaster)
 [![Build Status Release](https://github.com/parse-community/Parse-SDK-iOS-OSX/actions/workflows/release-automated.yml/badge.svg)](https://github.com/parse-community/Parse-SDK-iOS-OSX/actions?query=workflow%3Arelease-automated)
-[![Build Status Carthage](https://circleci.com/gh/parse-community/Parse-SDK-iOS-OSX.svg?style=shield)](https://circleci.com/gh/parse-community/Parse-SDK-iOS-OSX/tree/master)
 [![Snyk Badge](https://snyk.io/test/github/parse-community/Parse-SDK-iOS-OSX/badge.svg)](https://snyk.io/test/github/parse-community/Parse-SDK-iOS-OSX)
 [![Coverage](https://img.shields.io/codecov/c/github/parse-community/Parse-SDK-iOS-OSX/master.svg)](https://codecov.io/github/parse-community/Parse-SDK-iOS-OSX?branch=master)
 [![auto-release](https://img.shields.io/badge/%F0%9F%9A%80-auto--release-9e34eb.svg)](https://github.com/parse-community/Parse-SDK-iOS-OSX/releases)