Remove unused code regarding config

cmd/root.go

@@ -26,8 +26,6 @@ import (
 	"os"
 
 	"github.com/spf13/cobra"
-
-	"github.com/spf13/viper"
 )
 
 var cfgFile string
@@ -53,32 +51,4 @@ func init() {
 		panic(fmt.Errorf("failed to get working directory: %w", err))
 	}
 	deckDirectory = localDeckDirectory
-
-	cobra.OnInitialize(initConfig)
-	configHelp := "config file (default is $HOME/.clsr.yaml)"
-	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", configHelp)
-}
-
-// initConfig reads in config file and ENV variables if set.
-func initConfig() {
-	if cfgFile != "" {
-		// Use config file from the flag.
-		viper.SetConfigFile(cfgFile)
-	} else {
-		// Find home directory.
-		home, err := os.UserHomeDir()
-		cobra.CheckErr(err)
-
-		// Search config in home directory with name ".clsr" (without extension).
-		viper.AddConfigPath(home)
-		viper.SetConfigType("yaml")
-		viper.SetConfigName(".clsr")
-	}
-
-	viper.AutomaticEnv() // read in environment variables that match
-
-	// If a config file is found, read it in.
-	if err := viper.ReadInConfig(); err == nil {
-		fmt.Fprintln(os.Stderr, "Using config file:", viper.ConfigFileUsed())
-	}
 }