Remove unused function (#2535)

cfg/config_util.go

@@ -17,8 +17,6 @@ package cfg
 import (
 	"fmt"
 	"runtime"
-	"strconv"
-	"strings"
 	"time"
 )
 
@@ -52,12 +50,3 @@ func ListCacheTTLSecsToDuration(secs int64) time.Duration {
 
 	return time.Duration(secs * int64(time.Second))
 }
-
-func IsNegativeNumber(str string) bool {
-	str = strings.TrimSpace(str)
-	num, err := strconv.ParseFloat(str, 64)
-	if err != nil {
-		return false // Conversion failed; not a valid number
-	}
-	return num < 0
-}

cfg/config_util_test.go

@@ -159,28 +159,6 @@ func Test_ListCacheTtlSecsToDuration_InvalidCall(t *testing.T) {
 	ListCacheTTLSecsToDuration(-3)
 }
 
-func TestIsNegativeNumber(t *testing.T) {
-	testCases := []struct {
-		name     string
-		input    string
-		expected bool
-	}{
-		{"negative_integer", "-123", true},
-		{"positive_integer", "456", false},
-		{"negative_float", "-3.14", true},
-		{"zero", "0", false},
-		{"string", "abc", false},
-		{"invalid", "-12.34invalid", false},
-		{"negative_with_spaces", "  -5  ", true}, // Test with leading/trailing spaces
-	}
-
-	for _, tc := range testCases {
-		t.Run(tc.name, func(t *testing.T) {
-			assert.Equal(t, tc.expected, IsNegativeNumber(tc.input))
-		})
-	}
-}
-
 func TestIsTracingEnabled(t *testing.T) {
 	t.Parallel()
 	var testCases = []struct {