CI: Remove test coverage

.gitlab-ci.yml

@@ -125,13 +125,7 @@ unit-testing:
   script:
     - mix ecto.create
     - mix ecto.migrate
-    - mix test --cover --preload-modules
+    - mix test --preload-modules
-  coverage: '/^Line total: ([^ ]*%)$/'
-  artifacts:
-    reports:
-      coverage_report:
-        coverage_format: cobertura
-        path: coverage.xml
 
 unit-testing-erratic:
   extends:

mix.exs

@@ -190,7 +190,6 @@ defp deps do
       {:ex_machina, "~> 2.4", only: :test},
       {:credo, "~> 1.6", only: [:dev, :test], runtime: false},
       {:mock, "~> 0.3.5", only: :test},
-      {:covertool, "~> 2.0", only: :test},
       {:hackney, "~> 1.18.0", override: true},
       {:mox, "~> 1.0", only: :test},
       {:websockex, "~> 0.4.3", only: :test},