Use of gerrit_plugin and gerrit_plugin_tests rules from bazlets

Change-Id: Ic0947b43ea3525818af5c27004a317dcd64a691b

BUILD

diff --git a/BUILD b/BUILD
index 3caf093..053cfd2 100644
--- a/BUILD
+++ b/BUILD
@@ -1,11 +1,5 @@
 load("@rules_java//java:defs.bzl", "java_library")
-load("//tools/bzl:junit.bzl", "junit_tests")
-load(
-    "//tools/bzl:plugin.bzl",
-    "PLUGIN_DEPS",
-    "PLUGIN_TEST_DEPS",
-    "gerrit_plugin",
-)
+load("@com_googlesource_gerrit_bazlets//:gerrit_plugin.bzl", "gerrit_plugin", "gerrit_plugin_tests")
 
 gerrit_plugin(
     name = "delete-project",
@@ -20,20 +14,11 @@
     resources = glob(["src/main/resources/Documentation/*.md"]),
 )
 
-junit_tests(
+gerrit_plugin_tests(
     name = "delete-project_tests",
     srcs = glob(["src/test/java/**/*.java"]),
     tags = ["delete-project"],
     deps = [
-        ":delete-project__plugin_test_deps",
-    ],
-)
-
-java_library(
-    name = "delete-project__plugin_test_deps",
-    testonly = 1,
-    visibility = ["//visibility:public"],
-    exports = PLUGIN_DEPS + PLUGIN_TEST_DEPS + [
         ":delete-project__plugin",
     ],
 )