i18n: Fix validation errors in zh_CN class reference #22

Job	Run time
📊 Static checks / Code style, file formatting, and docs	1m 5s
🤖 Android / Template (target=template_release)	30m 8s
🍏 iOS / Template (target=template_release)	22m 17s
🌐 Web / Template w/ threads (target=template_release, threads=yes)	24m 28s
🌐 Web / Template w/o threads (target=template_release, threads=no)	24m 32s
🐧 Linux / Editor w/ Mono (target=editor)	40m 1s
🐧 Linux / Editor with doubles and GCC sanitizers (target=editor, tests=yes, dev_build=yes, scu_build=yes, precision=double, use_asan=yes, use_ubsan=yes, linker=gold)	45m 36s
🍎 macOS / Editor (target=editor, tests=yes)	28m 49s
🐧 Linux / Editor with clang sanitizers (target=editor, tests=yes, dev_build=yes, use_asan=yes, use_ubsan=yes, use_llvm=yes, linker=lld)	37m 27s
🏁 Windows / Editor (target=editor, tests=yes)	48m 24s
🍎 macOS / Template (target=template_release)	31m 48s
🐧 Linux / Editor with ThreadSanitizer (target=editor, tests=yes, dev_build=yes, use_tsan=yes, use_llvm=yes, linker=lld)	31m 27s
🏁 Windows / Template (target=template_release)	34m 21s
🐧 Linux / Template w/ Mono (target=template_release)	25m 1s
🐧 Linux / Minimal template (target=template_release, everything disabled)	13m 47s
🪲 Godot CPP / Build and test Godot CPP	7m 48s
	7h 26m 59s

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