fix(ci): remove issue creation from JNI sync workflow (#3603)

Merge conflicts are expected on the JNI branch, so creating an issue
on every failure is just noise. The workflow failure notification is
sufficient for the owner to handle it manually.

Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: buenaflor

.github/workflows/sync-jni-branch.yml

@@ -21,7 +21,6 @@ jobs:
     permissions:
       contents: write
       pull-requests: write
-      issues: write
     timeout-minutes: 30
     if: ${{ !github.event.release.prerelease }}
 
@@ -129,42 +128,3 @@ jobs:
             --base "$BRANCH" \
             --title "Sync JNI branch with release $TAG" \
             --body-file /tmp/pr-body.md
-
-      - name: Create issue on failure
-        if: steps.merge.outcome == 'failure' || steps.regenerate.outcome == 'failure'
-        env:
-          GH_TOKEN: ${{ steps.token.outputs.token }}
-          TAG: ${{ steps.release.outputs.tag }}
-          BRANCH: ${{ env.JNI_BRANCH }}
-          RUN_URL: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}
-          MERGE_OUTCOME: ${{ steps.merge.outcome }}
-        run: |
-          if [ "$MERGE_OUTCOME" = "failure" ]; then
-            FAILED_STEP="Merge release tag"
-          else
-            FAILED_STEP="Regenerate JNI bindings"
-          fi
-          LOG_TAIL="$(tail -100 /tmp/jni-regen.log 2>/dev/null || echo 'No log output available')"
-          {
-            echo "## JNI Branch Sync Failure"
-            echo "The automated sync of the JNI compatibility branch failed for release \`$TAG\`."
-            echo ""
-            echo "**Failed step:** $FAILED_STEP"
-            echo "**Workflow run:** $RUN_URL"
-            echo "**Target branch:** \`$BRANCH\`"
-            echo ""
-            echo "## Error Logs (last 100 lines)"
-            echo '```'
-            echo "$LOG_TAIL"
-            echo '```'
-            echo ""
-            echo "## Manual Remediation"
-            echo "1. Checkout the JNI branch: \`git checkout $BRANCH\`"
-            echo "2. Merge the release tag: \`git merge $TAG\`"
-            echo "3. Run: \`cd packages/flutter && scripts/safe-regenerate-jni.sh\`"
-            echo "4. Resolve any issues manually"
-            echo "5. Commit and push the changes"
-          } > /tmp/issue-body.md
-          gh issue create \
-            --title "JNI branch sync failed for release $TAG" \
-            --body-file /tmp/issue-body.md