Remove Java 9 dockerfiles, update builds and tests

Author: rikgibson

build.sh

@@ -31,7 +31,6 @@ mvn  -B  deploy -DaltDeploymentRepository=localStagingDir::default::file://${REP
 
 (
   cd images/build
-  ./docker-build.sh -f Dockerfile-jdk9 -t fnproject/fn-java-fdk-build:jdk9-${BUILD_VERSION} .
   ./docker-build.sh -f Dockerfile-jdk11 -t fnproject/fn-java-fdk-build:jdk11-${BUILD_VERSION} .
 )
 
@@ -42,7 +41,6 @@ mvn  -B  deploy -DaltDeploymentRepository=localStagingDir::default::file://${REP
 
 (
    cd runtime
-   docker build -f ../images/runtime/Dockerfile-jdk9 -t fnproject/fn-java-fdk:jdk9-${BUILD_VERSION} .
    docker build -f ../images/runtime/Dockerfile-jre11 -t fnproject/fn-java-fdk:jre11-${BUILD_VERSION} .
 )
 

images/build/Dockerfile-jdk9

@@ -1,3 +1,3 @@
-# Fn Java runtime base image 
+# Fn Java runtime base images
 
-This image is used as a base image for functions  - it includes a JDK and the latest version of the runtime 
+These images are used as a base image for functions - they include a JDK and the latest version of the runtime 

images/runtime/Dockerfile-jdk9

@@ -46,7 +46,7 @@ public void shouldCallExistingFn() throws Exception {
     @Test()
     public void checkBoilerPlate() throws Exception {
         for (String format : new String[]{"http-stream"}) {
-            for (String runtime : new String[]{"java9", "java8"}) {
+            for (String runtime : new String[]{"java8", "java11"}) {
                 IntegrationTestRule.TestContext tc = testRule.newTest();
 
                 String fnName = "bp" + format + runtime;