added changes to disable the azure_code_coverage

• Disabled azure_code_coverage job as it has not yet been implemented for python services. Upon implementing, it should be enabled.
• removed /frontend/admincli/pipeline-test.yml to fix the pipeline as these changes has been reverted as part of 261 after discussing with community
• issue ref: osdu/platform/deployment-and-operations/infra-azure-provisioning#244

devops/azure/override-stages.yml

@@ -66,7 +66,8 @@ azure_bootstrap:
       - bun*.tar.gz
     expire_in: 2 days
 
-# It is a temporary change Since azure_code_coverage not yet been implemented for Python services and the job has been disabled. 
+# It is a temporary change as azure_code_coverage not yet been implemented for Python services.
+# Therefore the job has been disabled
 azure_code_coverage:
   variables:
     AZURE_SKIP_COVERGAE: 'true'