chore: remove unused Trunc function (#23232)

Signed-off-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com>

util/text/text.go

@@ -1,13 +0,0 @@
-package text
-
-import (
-	"unicode/utf8"
-)
-
-// truncates messages to n characters
-func Trunc(message string, n int) string {
-	if utf8.RuneCountInString(message) > n {
-		return string([]rune(message)[0:n-3]) + "..."
-	}
-	return message
-}

util/text/text_test.go

@@ -1,29 +0,0 @@
-package text
-
-import (
-	"testing"
-
-	"github.com/stretchr/testify/assert"
-)
-
-func TestTrunc(t *testing.T) {
-	type args struct {
-		message string
-		n       int
-	}
-	tests := []struct {
-		name string
-		args args
-		want string
-	}{
-		{"Empty", args{}, ""},
-		{"5", args{message: "xxxxx", n: 5}, "xxxxx"},
-		{"4", args{message: "xxxxx", n: 4}, "x..."},
-		{"Multibyte", args{message: "こんにちは, world", n: 8}, "こんにちは..."},
-	}
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			assert.Equal(t, tt.want, Trunc(tt.args.message, tt.args.n), "Trunc()")
-		})
-	}
-}