Update chinese.go

There is no reason to keep a count of Chinese characters only to do a count check and return a bool. Simply return true the first char we find.  Otherwise return false.

pkg/checker/chinese.go

@@ -3,12 +3,10 @@ package checker
 import "unicode"
 
 func IsChinese(str string) bool {
-	var count int
 	for _, v := range str {
 		if unicode.Is(unicode.Han, v) {
-			count++
-			break
+			return true
 		}
 	}
-	return count > 0
+	return false
 }