Remove broken cython coverage support

Author: rhpvorderman

.coveragerc

@@ -30,11 +30,6 @@
 if CONDA_PREFIX:
     EXTENSION_OPTS["include_dirs"] = [os.path.join(CONDA_PREFIX, "include")]
 
-CYTHON_COVERAGE = os.environ.get("CYTHON_COVERAGE", False)
-if CYTHON_COVERAGE:
-    EXTENSION_OPTS["compiler_directives"]["linetrace"] = True
-    EXTENSION_OPTS["define_macros"] = [("CYTHON_TRACE", 1)]
-
 setup(
     name="isal",
     version="0.1.0-dev",

setup.py

@@ -3,20 +3,13 @@
 # python3 interpreter of the user.
 envlist=py3
 [testenv]
-setenv=
-    CYTHON_COVERAGE=True
 deps=coverage
      pytest
-     cython
-allowlist_externals=
-    cp
 commands =
     # Create HTML coverage report for humans and xml coverage report for external services.
     coverage run --source={envsitepackagesdir}/isal -m py.test -v tests
     coverage html
     coverage xml
-    cython  --annotate-coverage coverage.xml  {envsitepackagesdir}/isal/isal_zlib.pyx
-    cp {envsitepackagesdir}/isal/isal_zlib.html htmlcov/
 
 [testenv:lint]
 deps=flake8