fix : Remove unused import line

Author: wwan13

src/main/java/io/wwan13/wintersecurity/config/SecureRequestConfigurer.java

@@ -19,8 +19,6 @@
 import io.wwan13.wintersecurity.auth.authpattern.support.AuthPatternsRegistry;
 import io.wwan13.wintersecurity.resolve.support.TargetAnnotationsRegistry;
 
-import javax.validation.constraints.NotNull;
-
 public interface SecureRequestConfigurer extends SecretKeyConfigurer {
 
     void registerAuthPatterns(AuthPatternsRegistry registry);