1123 - Removed unused imports

Author: Mario

extensions/spring/stormpath-spring-security-webmvc/src/main/java/com/stormpath/spring/config/StormpathSecurityConfigurerAdapter.java

@@ -35,12 +35,9 @@
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.ApplicationContext;
 import org.springframework.security.authentication.AuthenticationManager;
-import org.springframework.security.config.annotation.SecurityConfigurerAdapter;
 import org.springframework.security.config.annotation.web.builders.HttpSecurity;
-import org.springframework.security.config.annotation.web.configurers.AbstractHttpConfigurer;
 import org.springframework.security.config.annotation.web.configurers.LogoutConfigurer;
 import org.springframework.security.web.AuthenticationEntryPoint;
-import org.springframework.security.web.DefaultSecurityFilterChain;
 import org.springframework.security.web.authentication.AuthenticationFailureHandler;
 import org.springframework.security.web.authentication.AuthenticationSuccessHandler;
 import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;