Remove the deprecated macos_11

Signed-off-by: Chin Yeung Li <[email protected]>

azure-pipelines.yml

@@ -1,12 +1,10 @@
-
 ################################################################################
 # We use Azure to run the full tests suites on multiple Python 3.x
 # on multiple Windows, macOS and Linux versions all on 64 bits
 # These jobs are using VMs with Azure-provided Python builds
 ################################################################################
 
 jobs:
-
     - template: etc/ci/azure-posix.yml
       parameters:
           job_name: ubuntu20_cpython
@@ -23,14 +21,6 @@ jobs:
           test_suites:
               all: venv/bin/pytest -n 2 -vvs
 
-    - template: etc/ci/azure-posix.yml
-      parameters:
-          job_name: macos11_cpython
-          image_name: macOS-11
-          python_versions: ['3.7', '3.8', '3.9', '3.10', '3.11']
-          test_suites:
-              all: venv/bin/pytest -n 2 -vvs
-
     - template: etc/ci/azure-posix.yml
       parameters:
           job_name: macos12_cpython