Remove concurrency (reverting #527)

Author: penelopeysm

.github/workflows/preview.yml

@@ -7,9 +7,6 @@ on:
       - synchronize
       - closed
 
-concurrency:
-  group: docs
-
 jobs:
   build-and-preview:
     if: github.event.action == 'opened' || github.event.action == 'synchronize'

.github/workflows/publish.yml

@@ -7,10 +7,6 @@ on:
       - backport-v0.*
   workflow_dispatch: # manual trigger for testing
 
-concurrency:
-  group: docs
-  cancel-in-progress: true
-
 permissions:
   contents: write