Revert "to make sure terminal histories are always DROPPED when reboot."

This reverts commit e466c25a3c.

.zprofile

@@ -6,13 +6,6 @@ mkdir -p /tmp/$USER
     ln -s /tmp/$USER $HOME/.tmp
 }
 
-# [[ -L ~/.zhistory && -L ~/.zsh_history && -L ~/.bash_history ]] || {
-touch /run/user/$UID/.history
-ln -sf /run/user/$UID/.history ~/.zhistory
-ln -sf /run/user/$UID/.history ~/.zsh_history
-ln -sf /run/user/$UID/.history ~/.bash_history
-# }
-
 # avoid dumplicate env appending.
 # [[ -f /run/user/$UID/.zshlogon ]] && return
 # touch /run/user/$UID/.zshlogon