Fix cache sample README

Closes gh-5800

Author: snicoll

spring-boot-samples/spring-boot-sample-cache/README.adoc

@@ -75,11 +75,11 @@ the underlying `HazelcastInstance`.
 
 
 === Infinispan
-Add the `org.infinispan:infinispan-spring4` and `org.infinispan:infinispan-spring4-embedded`
-dependencies to enable support for Infinispan. There is no default location that Infinispan
-uses to look for a config file so if you don't specify anything it will bootstrap on a hardcoded
-default. You can set the `spring.cache.infinispan.config` property to use the provided
-`infinispan.xml` configuration instead.
+Add the org.infinispan:infinispan-spring4-embedded` dependency to enable support for
+Infinispan. There is no default location that Infinispan uses to look for a config file
+so if you don't specify anything it will bootstrap on a hardcoded default. You can set
+the `spring.cache.infinispan.config` property to use the provided `infinispan.xml`
+configuration instead.
 
 
 

spring-boot-samples/spring-boot-sample-cache/pom.xml

@@ -65,10 +65,6 @@
 		</dependency>
 		-->
 		<!--
-		<dependency>
-			<groupId>org.infinispan</groupId>
-			<artifactId>infinispan-spring4</artifactId>
-		</dependency>
 		<dependency>
 			<groupId>org.infinispan</groupId>
 			<artifactId>infinispan-spring4-embedded</artifactId>