Merge pull request #1241 from VWS-Python/remove-codecov

Remove unnecessary codecov requirement

Author: adamtheturtle

dev-requirements.txt

@@ -1,5 +1,5 @@
-# We use dev-requirements.txt instead of just declaring the requirements here
-# because Read The Docs needs a requirements file.
+# We use dev-requirements.txt instead of just declaring the requirements in
+# the setup function because Read The Docs needs a requirements file.
 PyYAML==5.3.1
 Pygments==2.6.1
 Sphinx-Substitution-Extensions==2020.5.30.0
@@ -8,7 +8,6 @@ VWS-Python-Mock==2019.12.27.0
 VWS-Test-Fixtures==2019.12.13.1
 autoflake==1.3.1
 check-manifest==0.42
-codecov==2.1.7 # Upload coverage data
 doc8==0.8.1
 dodgy==0.2.1  # Look for uploaded secrets
 flake8-commas==2.0.0  # Require silicon valley commas