fix: remove redundant runtime.GOOS check in windows_test.go

- Remove unnecessary runtime.GOOS != 'windows' check in windows_test.go
- File has //go:build windows constraint, so check is always false
- Fix SA4032 staticcheck error for GitHub Actions compatibility
- Remove unused runtime import after cleanup

Author: CC11001100

pkg/detector/windows_test.go

@@ -5,7 +5,6 @@ package detector
 import (
 	"os"
 	"path/filepath"
-	"runtime"
 	"testing"
 )
 
@@ -34,11 +33,6 @@ func TestWindowsSpecificPaths(t *testing.T) {
 }
 
 func TestWindowsExecutableCheck(t *testing.T) {
-	// 只在 Windows 系统上测试
-	if runtime.GOOS != "windows" {
-		t.Skip("跳过在非Windows系统上的可执行性测试")
-	}
-
 	// 在 Windows 上创建测试文件
 	tmpDir := t.TempDir()
 	tmpFile := filepath.Join(tmpDir, "composer.bat")