[clang] Implementation of '#pragma STDC FENV_ROUND' (PR #89617)

[Zahira Ammarguellat via cfe-commits]

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@@ -1257,9 +1257,6 @@ def ext_stdc_pragma_ignored : ExtWarn<"unknown pragma in STDC namespace">,
 // The C standard 7.6.1p2 says "The [FENV_ACCESS] pragma shall occur either
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zahiraam wrote:

This comment can be removed I think.

https://github.com/llvm/llvm-project/pull/89617