Removing custom build tags. Trying global variable.

.vsts-ci.yml

@@ -34,6 +34,9 @@ variables:
       /p:DotNetRuntimeSourceFeedKey=$(dotnetbuilds-internal-container-read-token-base64)
       /p:dotnetbuilds-internal-container-read-token-base64=$(dotnetbuilds-internal-container-read-token-base64)
 - template: /eng/common/templates-official/variables/pool-providers.yml
+- name: globalOneESPT
+  value: true
+  readonly: true
 
 resources:
   repositories:
@@ -70,8 +73,6 @@ extends:
         name: $(DncEngInternalBuildPool)
         image: 1es-windows-2022
         os: windows
-    customBuildTags:
-    - ES365AIMigrationTooling
     stages:
     - stage: Build
       jobs:

eng/build.yml

@@ -130,7 +130,8 @@ jobs:
       container: ${{ parameters.container }}
     ${{ if eq(parameters.agentOs, 'Darwin') }}:
       pool:
-        ${{ if parameters.OneESPT }}:
+        # ${{ if parameters.OneESPT }}:
+        ${{ if variables.globalOneESPT }}:
           name: Azure Pipelines
           image: macOS-latest
           os: macOS