Fix duplicate Locale import

Author: root

utils/src/main/java/com/cloud/utils/StringUtils.java

@@ -29,7 +29,6 @@
 import java.util.HashMap;
 import java.util.List;
 import java.util.Locale;
-import java.util.Locale;
 import java.util.Set;
 import java.util.TreeSet;
 import java.util.regex.Matcher;