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LANG is a colon-separated list of prefered locales; LC_CTYPE is single entry,
therefore we need to remove all but one entry.

Also, there is no need setting it if it is already set (LC_ALL also sets
LC_CTYPE, so we check it too).

There were only three aliases left in aliases.zsh
File deleted!

This means we are running it after $PATH has potentially been set up,
which means it's more likely that commands like "git" will be found