[Core] Opencensus plugin post deprecation updates (Azure#38395)

Signed-off-by: Paul Van Eck <[email protected]>

Author: pvaneck

sdk/core/azure-core-tracing-opencensus/pyproject.toml

@@ -2,3 +2,4 @@
 type_check_samples = false
 verifytypes = false
 pyright = false
+ci_enabled = false

sdk/core/ci.yml

@@ -44,8 +44,6 @@ extends:
       safeName: azurecore
     - name: azure-mgmt-core
       safeName: azuremgmtcore
-    - name: azure-core-tracing-opencensus
-      safeName: azurecorecoretracingopencensus
     - name: azure-core-tracing-opentelemetry
       safeName: azurecorecoretracingtelemetry
     - name: azure-common