remove armeria grpc dependency

Author: ikhoon

it/xds-k8s-node-ip-extractor/build.gradle

@@ -3,7 +3,6 @@
 dependencies {
     testImplementation project(':server')
     testImplementation project(':xds')
-    testImplementation libs.armeria.grpc
     testImplementation libs.armeria.junit5
     testImplementation libs.kubernetes.client.api
     testImplementation libs.kubernetes.client.impl