Removes optional dependency from starters

Fixes gh-3027

Author: spencergibb

spring-cloud-starter-gateway-mvc/pom.xml

@@ -33,10 +33,5 @@
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-web</artifactId>
 		</dependency>
-		<dependency>
-			<groupId>org.springframework.cloud</groupId>
-			<artifactId>spring-cloud-starter-loadbalancer</artifactId>
-			<optional>true</optional>
-		</dependency>
 	</dependencies>
 </project>

spring-cloud-starter-gateway/pom.xml

@@ -33,10 +33,5 @@
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-webflux</artifactId>
 		</dependency>
-		<dependency>
-			<groupId>org.springframework.cloud</groupId>
-			<artifactId>spring-cloud-starter-loadbalancer</artifactId>
-			<optional>true</optional>
-		</dependency>
 	</dependencies>
 </project>