[clang] [llvm] [RISC-V] Remove experimental for Zicfiss/Zicfilp. (PR #98891)

[Yeting Kuo via cfe-commits]

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@@ -5,5 +5,5 @@
 
 ## Version strings are required for experimental extensions
 
-.attribute arch, "rv32izicfilp"
-# CHECK: error: invalid arch name 'rv32izicfilp', experimental extension requires explicit version number `zicfilp`
+.attribute arch, "rv32izalasr"
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yetingk wrote:

This file needs to be updated when removing an experimental extension. Not sure do we have a better solution?

https://github.com/llvm/llvm-project/pull/98891