Update en_us.json

[Thunderrock424242]

fixing some things with the missing classes instead of has mods that are missing it should be missing classes that are not found

checking for other grammer mistakes

[neoforged-pr-publishing]

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[sciwhiz12]

Hello! I don't think we use that translation key anymore, particularly because FML is hardcoded to reject any ModLoadingIssue that uses any translation key that starts with fml. but doesn't start with fml.modloadingissue. (See

FancyModLoader/loader/src/main/java/net/neoforged/fml/ModLoadingIssue.java

Lines 28 to 31 in 27a4a74

	// Make sure it's easy for us to know which translation keys get access to the implicit args at indices 100 and above
	if (translationKey.startsWith("fml.") && !translationKey.startsWith("fml.modloadingissue.")) {
	throw new IllegalArgumentException("When using FML translation keys, only use fml.modloadingissue. keys for mod loading issues: " + translationKey);
	}

)

We should look through all the translation keys and clean up those that are unused.

Thanks for your contribution anyway!