Automl : Cleanup dependency (#5589)

* cleanup unused dependency of google-cloud-automl

* remove grpc-stub dependency

* resolve new line at end of file

Author: athakor

google-cloud-clients/google-cloud-automl/pom.xml

@@ -30,19 +30,6 @@
       <groupId>com.google.api.grpc</groupId>
       <artifactId>proto-google-cloud-automl-v1beta1</artifactId>
     </dependency>
-    <dependency>
-      <groupId>io.grpc</groupId>
-      <artifactId>grpc-netty-shaded</artifactId>
-    </dependency>
-    <dependency>
-      <groupId>io.grpc</groupId>
-      <artifactId>grpc-stub</artifactId>
-    </dependency>
-    <dependency>
-      <groupId>io.grpc</groupId>
-      <artifactId>grpc-auth</artifactId>
-    </dependency>
-
     <!-- Test dependencies -->
     <dependency>
       <groupId>junit</groupId>