[lld] [LLD, MachO] Default objc_relative_method_lists on MacOS11+/iOS14+ (PR #101360)

[Peter Rong via llvm-commits]

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@@ -1,3 +1,6 @@
+# TODO: `-objc_relative_method_lists` is turned on by default.
+# Adding `-no_objc_relative_method_lists` explicitly here to avoid crashing.
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DataCorrupted wrote:

I updated the tests to reflect that both flags are needed to crash.

https://github.com/llvm/llvm-project/pull/101360