Remove unused reference to pkg_tar from //third_party/ijar.
See https://github.com/bazelbuild/bazel/pull/9005

RELNOTES: None
PiperOrigin-RevId: 261691197
diff --git a/third_party/ijar/BUILD b/third_party/ijar/BUILD
index 466c7d4..3c4a993 100644
--- a/third_party/ijar/BUILD
+++ b/third_party/ijar/BUILD
@@ -7,8 +7,6 @@
 
 licenses(["notice"])  # Apache 2.0
 
-load("//tools/build_defs/pkg:pkg.bzl", "pkg_tar")
-
 cc_library(
     name = "zip",
     srcs = [