ci: remove Azure config/scripts

This is covered by GitHub Actions now.

azure-pipelines.yml

@@ -1,80 +0,0 @@
-trigger:
-- master
-- features
-
-variables:
-  PYTEST_ADDOPTS: "--junitxml=build/test-results/$(tox.env).xml -vv"
-  PYTEST_COVERAGE: '0'
-
-jobs:
-
-- job: 'Test'
-  pool:
-    vmImage: "vs2017-win2016"
-  strategy:
-    matrix:
-      # -- pypy3 disabled for now: #5279 --
-      # pypy3:
-      #   python.version: 'pypy3'
-      #   tox.env: 'pypy3'
-      py35-xdist:
-        python.version: '3.5'
-        tox.env: 'py35-xdist'
-        # Coverage for:
-        # - test_supports_breakpoint_module_global
-        PYTEST_COVERAGE: '1'
-      py36-xdist:
-        python.version: '3.6'
-        tox.env: 'py36-xdist'
-      py37:
-        python.version: '3.7'
-        tox.env: 'py37-twisted-numpy'
-        # Coverage for:
-        # - _py36_windowsconsoleio_workaround (with py36+)
-        # - test_request_garbage (no xdist)
-        PYTEST_COVERAGE: '1'
-      py37-linting/docs/doctesting:
-        python.version: '3.7'
-        tox.env: 'linting,docs,doctesting'
-      py37-pluggymaster-xdist:
-        python.version: '3.7'
-        tox.env: 'py37-pluggymaster-xdist'
-      py38-xdist:
-        python.version: '3.8'
-        tox.env: 'py38-xdist'
-    maxParallel: 10
-
-  steps:
-  - task: UsePythonVersion@0
-    inputs:
-      versionSpec: '$(python.version)'
-      architecture: 'x64'
-
-  - script: python -m pip install --upgrade pip && python -m pip install tox
-    displayName: 'Install tox'
-
-  - bash: |
-      if [[ "$PYTEST_COVERAGE" == "1" ]]; then
-        export _PYTEST_TOX_COVERAGE_RUN="coverage run -m"
-        export _PYTEST_TOX_EXTRA_DEP=coverage-enable-subprocess
-        export COVERAGE_FILE="$PWD/.coverage"
-        export COVERAGE_PROCESS_START="$PWD/.coveragerc"
-      fi
-      python -m tox -e $(tox.env)
-    displayName: 'Run tests'
-
-  - task: PublishTestResults@2
-    inputs:
-      testResultsFiles: 'build/test-results/$(tox.env).xml'
-      testRunTitle: '$(tox.env)'
-    condition: succeededOrFailed()
-
-  - bash: |
-      if [[ "$PYTEST_COVERAGE" == 1 ]]; then
-        scripts/report-coverage.sh
-      fi
-    env:
-      CODECOV_NAME: $(tox.env)
-      CODECOV_TOKEN: $(CODECOV_TOKEN)
-    displayName: Report and upload coverage
-    condition: eq(variables['PYTEST_COVERAGE'], '1')

scripts/retry.cmd

@@ -1,21 +0,0 @@
-@echo off
-rem Source: https://github.com/appveyor/ci/blob/master/scripts/appveyor-retry.cmd
-rem initiate the retry number
-set retryNumber=0
-set maxRetries=3
-
-:RUN
-%*
-set LastErrorLevel=%ERRORLEVEL%
-IF %LastErrorLevel% == 0 GOTO :EOF
-set /a retryNumber=%retryNumber%+1
-IF %reTryNumber% == %maxRetries% (GOTO :FAILED)
-
-:RETRY
-set /a retryNumberDisp=%retryNumber%+1
-@echo Command "%*" failed with exit code %LastErrorLevel%. Retrying %retryNumberDisp% of %maxRetries%
-GOTO :RUN
-
-: FAILED
-@echo Sorry, we tried running command for %maxRetries% times and all attempts were unsuccessful!
-EXIT /B %LastErrorLevel%