[lld] [lld] Remove shell requirements from tests (PR #156510)

[via llvm-commits]

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@@ -1,4 +1,6 @@
-# REQUIRES: x86, shell
+# REQUIRES: x86_64
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cmtice wrote:

Why did you change it from x86 to x86_64?

https://github.com/llvm/llvm-project/pull/156510