Remove code coverage reporting, due to difficulties supporting Python…

… 3.6 and 3.11

requirements/test.txt

@@ -2,10 +2,8 @@
 beautifulsoup4==4.8.2
 factory-boy==2.7.0
 fake-factory==0.5.7
-coverage==6.2
 mock==2.0.0
 mixer==6.0.1
-pytest-cov==3.0.0
 pytest==6.2.5
 pytest-django==4.5.2
 pytest-env==0.6.2

tox.ini

@@ -27,8 +27,8 @@ deps =
 commands =
     sh -c 'kolibri manage makemigrations --check'
     # Run the actual tests
-    python -O -m pytest {posargs:kolibri --cov=kolibri --cov-report= --cov-append --color=no}
-    python -O -m pytest --cov=kolibri --cov-report= --cov-append --color=no -p no:django test
+    python -O -m pytest {posargs:kolibri --color=no}
+    python -O -m pytest --color=no -p no:django test
     # Fail if the log is longer than 200 lines (something erroring or very noisy got added)
     sh -c "if [ `cat {env:KOLIBRI_HOME}/logs/kolibri.txt | wc -l` -gt 200 ] ; then echo 'Log too long' && echo '' && tail -n 20 {env:KOLIBRI_HOME}/logs/kolibri.txt && exit 1 ; fi"
 
@@ -54,5 +54,5 @@ deps =
     -r{toxinidir}/requirements/cext.txt
     -r{toxinidir}/requirements/postgres.txt
 commands =
-    python -O -m pytest {posargs:kolibri --cov=kolibri --cov-report= --cov-append --color=no}
-    python -O -m pytest --cov=kolibri --cov-report= --cov-append --color=no -p no:django test
+    python -O -m pytest {posargs:kolibri --color=no}
+    python -O -m pytest --color=no -p no:django test