chore(java-storage-nio): modernize submodule pom.xml

Author: suztomo

java-storage-nio/pom.xml

@@ -80,10 +80,6 @@
           </exclusion>
         </exclusions>
       </dependency>
-      <dependency>
-        <groupId>com.google.apis</groupId>
-        <artifactId>google-api-services-storage</artifactId>
-      </dependency>
       <dependency>
         <groupId>com.google.truth</groupId>
         <artifactId>truth</artifactId>