disable collection of coverage artifacts in test-package

Coverage report is not generated in the test command, and declared
artifacts lead to misleading errors in CI output.

Not collecting coverage data is not a problem, since these tests have
already been run on test stage.

python/test-package.yml

@@ -31,14 +31,6 @@ variables:
     - Invoke-Expression -Command "pytest -n ${env:PYTEST_NUM_PARALLEL} -v -s --durations=0 --color=yes ${env:PYTEST_INTEGRATION_ARGS}"
   after_script:
     - !reference [ .hide-source-code, after_script ]
-  artifacts:
-    paths:
-      - htmlcov
-      - coverage.xml
-    reports:
-        coverage_report:
-          coverage_format: cobertura
-          path: coverage.xml
 
 Test Integration (py3.9, Windows, x64):
   variables:
@@ -62,14 +54,6 @@ Test Integration (py3.9, Windows, x64):
     - pytest -n "${PYTEST_NUM_PARALLEL}" -vv -s --durations=0 --color=yes ${PYTEST_INTEGRATION_ARGS}
   after_script:
     - !reference [ .hide-source-code, after_script ]
-  artifacts:
-    paths:
-      - htmlcov
-      - coverage.xml
-    reports:
-        coverage_report:
-          coverage_format: cobertura
-          path: coverage.xml
 
 Test Integration (py3.9, macOS, x64):
   variables:
@@ -94,14 +78,6 @@ Test Integration (py3.9, macOS, x64):
     - pytest -n "${PYTEST_NUM_PARALLEL}" -vv -s --durations=0 --color=yes ${PYTEST_INTEGRATION_ARGS}
   after_script:
     - !reference [ .hide-source-code, after_script ]
-  artifacts:
-    paths:
-      - htmlcov
-      - coverage.xml
-    reports:
-        coverage_report:
-          coverage_format: cobertura
-          path: coverage.xml
 
 Test Integration (py3.9, Linux, x64):
   variables: