[CI] remove CodeQL settings from yml files (#25660)

Author: YanaXu

.azure-pipelines/daily-build.yml

@@ -1,7 +1,6 @@
 # Please don't use ADO UI defined scheduled triggers because it takes precedence over YAML scheduled triggers.
 # https://docs.microsoft.com/en-us/azure/devops/pipelines/process/scheduled-triggers
 variables:
-  Codeql.Enabled: false
   today: $(Get-Date -Format yyyyMMddhhmmss)
 
 schedules:

.azure-pipelines/live-test.yml

@@ -52,7 +52,6 @@ variables:
   ArtifactsName: LiveTestArtifacts
   DataLocation: $(Pipeline.Workspace)/$(ArtifactsName)
   SuppressAzurePowerShellBreakingChangeWarnings: true
-  Codeql.Enabled: false
 
 schedules:
 - cron: "0 19 * * *"

.azure-pipelines/test-coverage.yml

@@ -19,7 +19,6 @@ parameters:
 variables:
   EnableTestCoverage: true
   TestCoverageLocation: $(Pipeline.Workspace)/artifacts
-  Codeql.Enabled: false
 
 pr: none
 trigger: none