Add spring-boot-starter-cache

Closes gh-3098

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

@@ -20,6 +20,12 @@
 		<main.basedir>${basedir}/../..</main.basedir>
 	</properties>
 	<dependencies>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-cache</artifactId>
+		</dependency>
+
+		<!-- Only used to expose cache metrics  -->
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-web</artifactId>
@@ -28,15 +34,6 @@
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-actuator</artifactId>
 		</dependency>
-		<dependency>
-			<groupId>org.springframework</groupId>
-			<artifactId>spring-context-support</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>javax.cache</groupId>
-			<artifactId>cache-api</artifactId>
-		</dependency>
-
 
 		<!-- Additional cache providers
 		<dependency>