config(starship): minor improve

data/starship/starship.toml

@@ -12,10 +12,7 @@ $git_branch\
 $git_commit\
 $git_state\
 $git_status\
-$package\
 $golang\
-$env_var\
-$custom\
 $sudo\
 $cmd_duration\
 $line_break\

data/zsh/bottom-zshrc

@@ -229,6 +229,7 @@ fi
 # https://github.com/starship/starship
 if command -v starship &>/dev/null; then
     export STARSHIP_CONFIG="$HOME/.config/starship/starship.toml"
+    export STARSHIP_LOG="error"
     eval "$(starship init zsh)"
 fi