Simplify `read_mo` logic regarding `catalog.charset` by tomasr8 · Pull Request #1148 · python-babel/babel

macos-12-3.10 90.04% <100.00%> (-0.04%) ⬇️ macos-12-3.11 89.98% <100.00%> (-0.04%) ⬇️ macos-12-3.12 90.19% <100.00%> (-0.04%) ⬇️ macos-12-3.13-dev 89.72% <100.00%> (-0.04%) ⬇️ macos-12-3.8 89.97% <100.00%> (-0.04%) ⬇️ macos-12-3.9 89.97% <100.00%> (-0.04%) ⬇️ macos-12-pypy3.10 90.04% <100.00%> (-0.04%) ⬇️ ubuntu-22.04-3.10 90.06% <100.00%> (-0.04%) ⬇️ ubuntu-22.04-3.11 90.00% <100.00%> (-0.04%) ⬇️ ubuntu-22.04-3.12 90.21% <100.00%> (-0.04%) ⬇️ ubuntu-22.04-3.13-dev 89.74% <100.00%> (-0.04%) ⬇️ ubuntu-22.04-3.8 89.99% <100.00%> (-0.04%) ⬇️ ubuntu-22.04-3.9 89.99% <100.00%> (-0.04%) ⬇️ ubuntu-22.04-pypy3.10 90.06% <100.00%> (-0.04%) ⬇️ windows-2022-3.10 90.18% <100.00%> (-0.04%) ⬇️ windows-2022-3.11 90.12% <100.00%> (-0.04%) ⬇️ windows-2022-3.12 90.33% <100.00%> (-0.04%) ⬇️ windows-2022-3.13-dev 89.86% <100.00%> (-0.04%) ⬇️ windows-2022-3.8 90.11% <100.00%> (-0.04%) ⬇️ windows-2022-3.9 90.11% <100.00%> (-0.04%) ⬇️ windows-2022-pypy3.10 90.18% <100.00%> (-0.04%) ⬇️