remove unneeded cargo paths

dot_config/fish/config.fish

@@ -12,7 +12,6 @@ if test -z "$XDG_RUNTIME_DIR"
 end
 
 # PATH adjustment
-setpath ~/.local/share/cargo/bin
 setpath ~/.ghcup/bin
 setpath ~/.cabal/bin
 setpath ~/.cargo/bin
@@ -37,7 +36,6 @@ set -x EDITOR vim
 set -x USER lu
 set -x SHELL (which fish)
 set -x TERM xterm-256color
-set -x CARGO_HOME ~/.local/share/cargo
 set -x GTK_IM_MODULE ibus
 set -x XMODIFIERS @im=ibus
 set -x QT_IM_MODULE ibus