[RISCV][AArch64] Don't allow -mvscale-min/max options to be passed to the clang driver. (#68065)

The driver doesn't have code to pass these down to cc1. It just prints
an unused option warning. Remove them from the driver.

Author: topperc

clang/include/clang/Driver/Options.td

@@ -4589,13 +4589,11 @@ def msve_vector_bits_EQ : Joined<["-"], "msve-vector-bits=">, Group<m_aarch64_Fe
 } // let Flags = [TargetSpecific]
 
 def mvscale_min_EQ : Joined<["-"], "mvscale-min=">,
-  Group<m_aarch64_Features_Group>, Flags<[NoXarchOption]>,
-  Visibility<[ClangOption, CC1Option, FC1Option]>,
+  Visibility<[CC1Option, FC1Option]>,
   HelpText<"Specify the vscale minimum. Defaults to \"1\". (AArch64/RISC-V only)">,
   MarshallingInfoInt<LangOpts<"VScaleMin">>;
 def mvscale_max_EQ : Joined<["-"], "mvscale-max=">,
-  Group<m_aarch64_Features_Group>, Flags<[NoXarchOption]>,
-  Visibility<[ClangOption, CC1Option, FC1Option]>,
+  Visibility<[CC1Option, FC1Option]>,
   HelpText<"Specify the vscale maximum. Defaults to the"
            " vector length agnostic value of \"0\". (AArch64/RISC-V only)">,
   MarshallingInfoInt<LangOpts<"VScaleMax">>;