SEC-2963: Update to latest Google AppEngine

buildSrc/src/main/groovy/gae/GaePlugin.groovy

@@ -1,26 +0,0 @@
-package gae;
-
-import com.google.appengine.tools.admin.AppCfg
-import org.gradle.api.*;
-
-class GaePlugin implements Plugin<Project> {
-	public void apply(Project project) {
-		if (!project.hasProperty('appEngineSdkRoot')) {
-			println "'appEngineSdkRoot' must be set in gradle.properties"
-		} else {
-			System.setProperty('appengine.sdk.root', project.property('appEngineSdkRoot'))
-		}
-
-		File explodedWar = new File(project.buildDir, "gae-exploded")
-
-		project.task('gaeDeploy') << {
-			AppCfg.main("update", explodedWar.toString())
-		}
-
-		project.gaeDeploy.dependsOn project.war
-
-		project.war.doLast {
-			ant.unzip(src: project.war.archivePath, dest: explodedWar)
-		}
-	}
-}

buildSrc/src/main/resources/META-INF/gradle-plugins/gae.properties

@@ -1 +0,0 @@
-implementation-class=gae.GaePlugin