fix comments

.pipelines/oneBranch.ACNBuild.yaml

@@ -8,8 +8,6 @@ trigger:
       - master
 variables:
 
-  WindowsContainerImage: onebranch.azurecr.io/windows/ltsc2019/vse2022:latest # for Windows jobs
-  LinuxContainerImage: mcr.microsoft.com/onebranch/cbl-mariner/build:2.0 # for Linux jobs
 name: '$(TeamProject)_$(Build.DefinitionName)_$(SourceBranchName)_$(Date:yyyyMMdd)$(Rev:.r)'
 resources:
   repositories:
@@ -21,7 +19,7 @@ extends:
   template: v2/OneBranch.Official.CrossPlat.yml@templates
   parameters:
     stages:
-    - template: pipeline.yml
+    - template: pipeline.yml # display Azure Container Network PR
     globalSdl:
       codeql: # https://eng.ms/docs/cloud-ai-platform/devdiv/one-engineering-system-1es/1es-docs/codeql/one-branch-codeql
         compiled:
@@ -30,9 +28,3 @@ extends:
         failOnAlert: false
       tsa:
         enabled: false
-      suppression:
-        suppressionFile: $(Build.SourcesDirectory)\.gdn\.gdnsuppress
-        suppressionSet: default
-      credscan:
-        enabled: true
-        suppressionsFileForArtifacts: $(Build.SourcesDirectory)/.config/CredScanSuppressions.json