Revert "Add an example to check the flags are being stripped"

This reverts commit 22eb306.

Author: dae

examples/ios/BUILD.bazel

@@ -2,7 +2,6 @@ load("@build_bazel_rules_apple//apple:ios.bzl", "ios_application")
 load("@build_bazel_rules_apple//apple:macos.bzl", "macos_application")
 load("@rules_cc//cc:defs.bzl", "cc_library", "objc_library")
 load("@rules_rust//rust:defs.bzl", "rust_library")
-load("@rules_rust//cargo:cargo_build_script.bzl", "cargo_build_script")
 
 cc_library(
     name = "allocator_library",
@@ -91,14 +90,3 @@ platform(
         "@build_bazel_apple_support//constraints:device",
     ],
 )
-
-cargo_build_script(
-    name = "build_script",
-    srcs = ["build.rs"],
-)
-
-rust_library(
-    name = "build_script_consumer",
-    srcs = ["empty.rs"],
-    deps = [":build_script"],
-)