ci: remove PR description validation check

Drop the validate-description job from the PR workflow; the
has-milestone check remains.

.github/workflows/pr-description.yml

@@ -15,49 +15,6 @@ on:
 permissions: {}
 
 jobs:
-  validate-description:
-    name: Validate Description
-    runs-on: ubuntu-latest
-    timeout-minutes: 30
-    steps:
-      - uses: actions/github-script@v9
-        with:
-          script: |
-            if (context.eventName === 'merge_group') {
-              // Ignore merge_group events
-              return;
-            }
-
-            const body = context.payload.pull_request.body || '';
-
-            const errors = [];
-
-            // Check for ## Description section
-            const descMatch = body.match(/^## Description:\s*\n([\s\S]*?)(?:^## |\Z)/m);
-            if (!descMatch || descMatch[1].trim().length < 20) {
-              errors.push('❌ Missing or short `## Description:` section.');
-            }
-
-            // Check all five boxes are checked
-            const requiredBoxes = [
-              /- \[x\] I have added screenshots for all UI updates/i,
-              /- \[x\] I process any text displayed to the user through translateText\(\) and I\'ve added it to the en\.json file/i,
-              /- \[x\] I have added relevant tests to the test directory/i,
-            ];
-
-            for (const box of requiredBoxes) {
-              if (!box.test(body)) {
-                errors.push('❌ One or more checklist items are not checked.');
-                break;
-              }
-            }
-
-            if (errors.length > 0) {
-              core.setFailed(errors.join('\n'));
-            } else {
-              console.log('✅ PR description and checklist look good.');
-            }
-
   has-milestone:
     name: Has Milestone
     runs-on: ubuntu-latest