!fixup! Correct condition in localization.yml (#42590)

- left a bit behind after manual testing

.azure/pipelines/localization.yml

@@ -20,8 +20,7 @@ variables:
   value: AspNetCore
 
 jobs:
-# When doing this for real, use eq(variables['Build.SourceBranch'], 'refs/heads/main') instead of PR check.
-- ${{ if and(ne(variables['System.TeamProject'], 'public'), notin(variables['Build.Reason'], 'PullRequest')) }}:
+- ${{ if and(ne(variables['System.TeamProject'], 'public'), eq(variables['Build.SourceBranch'], 'refs/heads/main')) }}:
   - template: /eng/common/templates/job/onelocbuild.yml
     parameters:
       LclPackageId: 'LCL-JUNO-PROD-ASPNETCORE'