Disable static analysis for live test pipelines. (#6024)

* Disable static analysis for live test pipelines.

* Remove the AZURE_ENABLE_STATIC_ANALYSIS env var definition.

Author: ahsonkhan

eng/pipelines/templates/jobs/live.tests.yml

@@ -81,8 +81,6 @@ jobs:
       value: "%g-test-results.xml"
     - name: CMOCKA_MESSAGE_OUTPUT
       value: "xml"
-    - name: AZURE_ENABLE_STATIC_ANALYSIS
-      value: 1
     - name: BuildArgs
       value: ""
     - name: VcpkgArgs