unused imports removed

web/src/main/java/lcsb/mapviewer/web/config/SpringWebConfig.java

 package lcsb.mapviewer.web.config;
 
-import lcsb.mapviewer.services.SpringServiceConfig;
-import lcsb.mapviewer.web.bean.utils.StartupBean;
-import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.ComponentScan;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Import;
-import org.springframework.web.servlet.config.annotation.*;
+import org.springframework.web.servlet.config.annotation.EnableWebMvc;
+import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
+
+import lcsb.mapviewer.services.SpringServiceConfig;
 
 @Configuration
 @EnableWebMvc