Remove j2objc from rules_apple

apple/internal/rule_attrs.bzl

@@ -161,26 +161,6 @@ def _j2objc_binary_linking_attrs(*, deps_cfg):
             cfg = deps_cfg,
             default = Label("@bazel_tools//tools/objc:dummy_lib"),
         ),
-        "_j2objc_dead_code_pruner": attr.label(
-            executable = True,
-            # Setting `allow_single_file=True` would be more correct. Unfortunately,
-            # doing so prevents using py_binary as the underlying target because py_binary
-            # produces at least _two_ output files (the executable plus any files in srcs)
-            allow_files = True,
-            cfg = "exec",
-            default = Label("@bazel_tools//tools/objc:j2objc_dead_code_pruner_binary"),
-        ),
-        # xcrunwrapper is no longer used by rules_apple, but the underlying implementation of
-        # apple_common.link_multi_arch_binary and j2objc_dead_code_pruner require this attribute.
-        # See CompilationSupport.java:
-        # - `registerJ2ObjcDeadCodeRemovalActions()`
-        # - `registerLinkActions()` --> `registerBinaryStripAction()`
-        # TODO(b/117932394): Remove this attribute once Bazel no longer uses xcrunwrapper.
-        "_xcrunwrapper": attr.label(
-            cfg = "exec",
-            executable = True,
-            default = Label("@bazel_tools//tools/objc:xcrunwrapper"),
-        ),
     }
 
 def _static_library_linking_attrs(*, deps_cfg):