samples: Automl - minor bug fixes (#1168)

* Test push

* Vision AutoML

* Vision AutoML updates + Translate AutoML

* Translate README fixes

* Fixing Kokoro failure issue

* Language AutoML

* Vision AutoML

* Translate AutoML files added

* Triggering tests

* Triggering tests

* Updates based on comments

* Updates after review comments

* Fixed build issue

* Fixed build issue

* Fix other bugs after review
* pom file updates
* region tag modification
* bucket name update for language
* other minor updates

Author: nirupa-kumar

automl/snippets/src/main/java/com/google/cloud/translate/automl/DatasetApi.java

@@ -45,7 +45,7 @@
  */
 public class DatasetApi {
 
-  // [START automl_translate_create_dataset]
+  // [START automl_translation_create_dataset]
   /**
    * Demonstrates using the AutoML client to create a dataset
    *

automl/snippets/src/test/java/com/google/cloud/translate/automl/PredictionApiIT.java

@@ -17,7 +17,6 @@
 package com.google.cloud.translate.automl;
 
 import static com.google.common.truth.Truth.assertThat;
-import static java.lang.Boolean.FALSE;
 
 import java.io.ByteArrayOutputStream;
 import java.io.PrintStream;