message: No ninja on centos
diff: @@ -18,7 +18,6 @@ jobs:
  container: centos:7
  env:
  - GEN: ninja
  BUILD_VISUALIZER: 1
  BUILD_BENCHMARK: 1
  BUILD_ICU: 1
  @@ -92,9 +91,6 @@ jobs:
  runs-on: ubuntu-latest
  container: centos:7
  - env:
  - GEN: ninja
  -
  steps:
  - uses: actions/checkout@v2
  with:
  