Remove spring-cloud-function-compiler module

Fixes gh-805

spring-cloud-function-samples/function-sample-task/build.gradle

@@ -46,6 +46,5 @@ dependencyManagement {
 
 dependencies {
 	compile('org.springframework.cloud:spring-cloud-function-task')
-	compile('org.springframework.cloud:spring-cloud-function-compiler')
 	testCompile('org.springframework.boot:spring-boot-starter-test')
 }

spring-cloud-function-samples/function-sample-task/pom.xml

@@ -34,10 +34,6 @@
 			<groupId>org.springframework.cloud</groupId>
 			<artifactId>spring-cloud-starter-function-web</artifactId>
 		</dependency>
-		<dependency>
-			<groupId>org.springframework.cloud</groupId>
-			<artifactId>spring-cloud-function-compiler</artifactId>
-		</dependency>
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-test</artifactId>