Minimize dependencies in samples

spring-boot-admin-samples/spring-boot-admin-sample-reactive/pom.xml

@@ -37,10 +37,6 @@
             <artifactId>spring-boot-starter-security</artifactId>
         </dependency>
         <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter-webflux</artifactId>
-        </dependency>
-        <dependency>
             <groupId>de.codecentric</groupId>
             <artifactId>spring-boot-admin-starter-client</artifactId>
         </dependency>

spring-boot-admin-samples/spring-boot-admin-sample-servlet/pom.xml

@@ -30,11 +30,7 @@
     <dependencies>
         <dependency>
             <groupId>de.codecentric</groupId>
-            <artifactId>spring-boot-admin-server</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>de.codecentric</groupId>
-            <artifactId>spring-boot-admin-server-ui</artifactId>
+            <artifactId>spring-boot-admin-starter-server</artifactId>
         </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>