ci: Remove unneeded coverage support

Co-authored-by: Henry Schreiner <[email protected]>

Author: jcfr

.github/CONTRIBUTING.md

@@ -66,14 +66,6 @@ Use pytest to run the unit checks:
 pytest
 ```
 
-# Coverage
-
-Use pytest-cov to generate coverage reports:
-
-```bash
-pytest --cov=cython-cmake
-```
-
 # Building docs
 
 You can build the docs using:

.github/workflows/ci.yml

@@ -61,9 +61,4 @@ jobs:
         run: python -m pip install .[test]
 
       - name: Test package
-        run: >-
-          python -m pytest -ra --cov --cov-report=xml --cov-report=term
-          --durations=20
-
-      - name: Upload coverage report
-        uses: codecov/[email protected]
+        run: python -m pytest --durations=20

pyproject.toml

@@ -38,11 +38,9 @@ any = "cython_cmake.cmake"
 [project.optional-dependencies]
 test = [
   "pytest >=6",
-  "pytest-cov >=3",
 ]
 dev = [
   "pytest >=6",
-  "pytest-cov >=3",
 ]
 docs = [
   "sphinx>=7.0",