chore: remove codecov

Author: TimSangster

.travis.yml

@@ -6,7 +6,6 @@ before_install:
 - pip3.9 install -r requirements.txt
 - pip3.9 install -e .
 script: pytest -m "not compiled" --cov=pythonwhat
-after_success: codecov --token=$CODECOV_TOKEN
 deploy:
   provider: pypi
   user: datacamp

README.md

@@ -1,7 +1,6 @@
 # pythonwhat
 
 [![Build Status](https://travis-ci.org/datacamp/pythonwhat.svg?branch=master)](https://travis-ci.org/datacamp/pythonwhat)
-[![codecov](https://codecov.io/gh/datacamp/pythonwhat/branch/master/graph/badge.svg)](https://codecov.io/gh/datacamp/pythonwhat)
 [![PyPI version](https://badge.fury.io/py/pythonwhat.svg)](https://badge.fury.io/py/pythonwhat)
 [![Documentation Status](https://readthedocs.org/projects/pythonwhat/badge/?version=stable)](http://pythonwhat.readthedocs.io/en/stable/?badge=stable)
 [![FOSSA Status](https://app.fossa.io/api/projects/git%2Bgithub.com%2Fdatacamp%2Fpythonwhat.svg?type=shield)](https://app.fossa.io/projects/git%2Bgithub.com%2Fdatacamp%2Fpythonwhat?ref=badge_shield)

requirements.txt

@@ -20,7 +20,6 @@ xlrd~=2.0.1
 
 # test-utils deps
 pytest~=6.2.5
-codecov~=2.1.12
 pytest-cov~=2.12.1
 
 # building documentation