Move ls aliases to their respective os topics

os/macos/aliases.zsh

@@ -1,4 +1,3 @@
-alias ls='ls -G'
 alias ls="${aliases[ls]:-ls} -G"
 
 alias date='gdate'

shell/aliases.sh

@@ -43,12 +43,6 @@ alias exe='exercism'
 # .gitattributes | map dirname
 alias map="xargs -n1"
 
-# Colored ls
-case $OSTYPE in
-    darwin*) alias ls='ls -G' ;;
-    linux*)  alias ls='ls --color=auto' ;;
-esac
-
 take() { mkdir "$1" && cd "$1"; }
 hex()  { echo -n $@ | xxd -psdu; }