Remove protocol handler impl

cmd/modern/main.go

@@ -12,8 +12,7 @@
 package main
 
 import (
-	"encoding/base64"
-	"encoding/json"
+	legacyCmd "github.com/microsoft/go-sqlcmd/cmd/sqlcmd"
 	"github.com/microsoft/go-sqlcmd/internal"
 	"github.com/microsoft/go-sqlcmd/internal/cmdparser"
 	"github.com/microsoft/go-sqlcmd/internal/cmdparser/dependency"
@@ -26,9 +25,6 @@ import (
 	"github.com/spf13/cobra"
 	"os"
 	"path"
-	"strings"
-
-	legacyCmd "github.com/microsoft/go-sqlcmd/cmd/sqlcmd"
 )
 
 var rootCmd *Root
@@ -46,25 +42,6 @@ func main() {
 			ErrorHandler:   checkErr,
 			HintHandler:    displayHints})}
 	rootCmd = cmdparser.New[*Root](dependencies)
-
-	//var input string
-
-	if strings.HasPrefix(os.Args[1], "sqlcmd://") {
-		sqlcmdUrl := strings.TrimRight(os.Args[1][9:], "/")
-
-		data2, err := base64.StdEncoding.DecodeString(sqlcmdUrl)
-		if err == nil {
-			var genre2 []string
-			if err = json.Unmarshal(data2, &genre2); err == nil {
-				cobra.MousetrapHelpText = ""
-				cmdparser.Initialize(initializeCallback)
-				rootCmd.SetArgsForUnitTesting(genre2)
-				rootCmd.Execute()
-				os.Exit(0)
-			}
-		}
-	}
-
 	if isFirstArgModernCliSubCommand() {
 		cmdparser.Initialize(initializeCallback)
 		rootCmd.Execute()

cmd/modern/root.go

@@ -67,7 +67,6 @@ func (c *Root) SubCommands() []cmdparser.Command {
 		cmdparser.New[*root.Query](dependencies),
 		cmdparser.New[*root.Start](dependencies),
 		cmdparser.New[*root.Stop](dependencies),
-		cmdparser.New[*root.System](dependencies),
 		cmdparser.New[*root.Uninstall](dependencies),
 		cmdparser.New[*root.Use](dependencies),
 	}