Lint build files with buildifier 4.0

Release-Notes: skip
Change-Id: I813c98fc2d533c570a6d0eea613a7d9ad8543606

WORKSPACE

diff --git a/WORKSPACE b/WORKSPACE
index 71f3dbe..2ac3b5b 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -24,7 +24,6 @@
     name = "gerrit",
 )
 
-load("@bazel_tools//tools/build_defs/repo:git.bzl", "git_repository")
 load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive", "http_file")
 load("//plugins:external_plugin_deps.bzl", "external_plugin_deps")
 load("//tools:nongoogle.bzl", "declare_nongoogle_deps")

java/com/google/gerrit/auth/BUILD

diff --git a/java/com/google/gerrit/auth/BUILD b/java/com/google/gerrit/auth/BUILD
index f04334d..19977db 100644
--- a/java/com/google/gerrit/auth/BUILD
+++ b/java/com/google/gerrit/auth/BUILD
@@ -1,5 +1,4 @@
 load("@rules_java//java:defs.bzl", "java_library")
-load("//tools/bzl:javadoc.bzl", "java_doc")
 
 # Giant kitchen-sink target.
 #

javatests/com/google/gerrit/auth/BUILD

diff --git a/javatests/com/google/gerrit/auth/BUILD b/javatests/com/google/gerrit/auth/BUILD
index 6a18174..517f942 100644
--- a/javatests/com/google/gerrit/auth/BUILD
+++ b/javatests/com/google/gerrit/auth/BUILD
@@ -1,4 +1,3 @@
-load("@rules_java//java:defs.bzl", "java_library")
 load("//tools/bzl:junit.bzl", "junit_tests")
 
 junit_tests(

lib/lucene/BUILD

diff --git a/lib/lucene/BUILD b/lib/lucene/BUILD
index 6b14a78..e1381d3 100644
--- a/lib/lucene/BUILD
+++ b/lib/lucene/BUILD
@@ -1,4 +1,4 @@
-load("@rules_java//java:defs.bzl", "java_binary", "java_import", "java_library")
+load("@rules_java//java:defs.bzl", "java_library")
 
 package(default_visibility = ["//visibility:public"])
 

plugins/BUILD

diff --git a/plugins/BUILD b/plugins/BUILD
index e0400f8..1f0330c 100644
--- a/plugins/BUILD
+++ b/plugins/BUILD
@@ -6,7 +6,6 @@
     "CORE_PLUGINS",
     "CUSTOM_PLUGINS",
 )
-load("@build_bazel_rules_nodejs//:index.bzl", "nodejs_test")
 
 package(default_visibility = ["//visibility:public"])
 

polygerrit-ui/BUILD

diff --git a/polygerrit-ui/BUILD b/polygerrit-ui/BUILD
index 3c4270b..a42e2dd 100644
--- a/polygerrit-ui/BUILD
+++ b/polygerrit-ui/BUILD
@@ -1,5 +1,4 @@
 load("//tools/bzl:genrule2.bzl", "genrule2")
-load("@build_bazel_rules_nodejs//:index.bzl", "nodejs_test")
 load("//tools/bzl:js.bzl", "web_test_runner")
 
 package(default_visibility = ["//visibility:public"])

tools/BUILD

diff --git a/tools/BUILD b/tools/BUILD
index 02d3578..e2ac058 100644
--- a/tools/BUILD
+++ b/tools/BUILD
@@ -1,6 +1,5 @@
 load(
     "@bazel_tools//tools/jdk:default_java_toolchain.bzl",
-    "NONPREBUILT_TOOLCHAIN_CONFIGURATION",
     "default_java_toolchain",
 )
 load("@rules_java//java:defs.bzl", "java_package_configuration")

tools/bzl/junit.bzl

diff --git a/tools/bzl/junit.bzl b/tools/bzl/junit.bzl
index c7d2545..9ba7a5e 100644
--- a/tools/bzl/junit.bzl
+++ b/tools/bzl/junit.bzl
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# Skylark rule to generate a Junit4 TestSuite
+# Starlark rule to generate a Junit4 TestSuite
 # Assumes srcs are all .java Test files
 # Assumes junit4 is already added to deps by the user.