Update crate_universe boringssl with openssl (bazelbuild#4048)

The openssl example will be far more common than boringssl.

Author: UebelAndre

crate_universe/tests/integration/complicated_dependencies/BUILD.bazel

@@ -1,25 +1,8 @@
 load("@bazel_skylib//rules:build_test.bzl", "build_test")
-load("@rules_rust//rust:defs.bzl", "rust_binary")
-load(":boringssl_utils.bzl", "boringssl_build_script_dir")
-
-rust_binary(
-    name = "build_script_dir_maker",
-    srcs = ["build_script_dir_maker.rs"],
-    edition = "2021",
-)
-
-# This target lays out the output needed from boringssl in the directory structure needed by the boring-sys build script.
-boringssl_build_script_dir(
-    name = "boringssl_gen_dir",
-    out = "boringssl_gen_dir_out",
-    crypto = "@boringssl//:crypto",
-    ssl = "@boringssl//:ssl",
-    visibility = ["//visibility:public"],
-)
 
 build_test(
     name = "build_test",
     targets = [
-        "@complicated_dependencies//:boring",
+        "@complicated_dependencies//:openssl",
     ],
 )