Remove Embedded Redis

Fixes gh-248

samples/boot/build.gradle

@@ -17,7 +17,6 @@ group = 'samples'
 
 dependencies {
 	compile project(':spring-session'),
-			project(':samples:spring-embedded-redis'),
 			"org.springframework.boot:spring-boot-starter-redis",
 			"org.springframework.boot:spring-boot-starter-web",
 			"org.springframework.boot:spring-boot-starter-thymeleaf",

samples/boot/src/main/java/sample/config/HttpSessionConfig.java

@@ -15,11 +15,9 @@
  */
 package sample.config;
 
-import org.springframework.session.data.redis.config.annotation.web.http.*;
-import org.springframework.session.redis.embedded.EnableEmbeddedRedis;
+import org.springframework.session.data.redis.config.annotation.web.http.EnableRedisHttpSession;
 
 
-@EnableEmbeddedRedis
 // tag::class[]
 @EnableRedisHttpSession // <1>
 public class HttpSessionConfig { }