skip showcase dependency check

Author: suztomo

java-showcase/pom.xml

@@ -24,6 +24,7 @@
     <checkstyle.skip>true</checkstyle.skip>
     <clirr.skip>true</clirr.skip>
     <enforcer.skip>true</enforcer.skip>
+    <mdep.analyze.skip>true</mdep.analyze.skip><!-- The showcase modules are not meant for library customers. -->
   </properties>
 
   <dependencyManagement>

java-showcase/proto-gapic-showcase-v1beta1/pom.xml

@@ -55,17 +55,4 @@
       </properties>
     </profile>
   </profiles>
-  <build>
-    <plugins>
-      <plugin>
-        <groupId>org.apache.maven.plugins</groupId>
-        <artifactId>maven-dependency-plugin</artifactId>
-        <configuration>
-          <ignoredUnusedDeclaredDependencies>
-            <ignoredUnusedDeclaredDependency>com.google.api.grpc:proto-google-iam-v1</ignoredUnusedDeclaredDependency>
-          </ignoredUnusedDeclaredDependencies>
-        </configuration>
-      </plugin>
-    </plugins>
-  </build>
 </project>