[RISCV] Simplify check lines in vector-deinterleave.ll [nfc]

RV32 and RV64 are unused.  Output with zvfh vs zvfhmin are the same,
so just use the weaker predicate.

Author: preames

llvm/test/CodeGen/RISCV/rvv/vector-deinterleave.ll

@@ -1,8 +1,6 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
-; RUN: llc < %s -mtriple=riscv32 -mattr=+m,+v,+zvfh,+zvfbfmin | FileCheck %s --check-prefixes=CHECK,RV32
-; RUN: llc < %s -mtriple=riscv64 -mattr=+m,+v,+zvfh,+zvfbfmin | FileCheck %s --check-prefixes=CHECK,RV64
-; RUN: llc < %s -mtriple=riscv32 -mattr=+m,+v,+zvfhmin,+zvfbfmin | FileCheck %s --check-prefixes=CHECK,RV32
-; RUN: llc < %s -mtriple=riscv64 -mattr=+m,+v,+zvfhmin,+zvfbfmin | FileCheck %s --check-prefixes=CHECK,RV64
+; RUN: llc < %s -mtriple=riscv32 -mattr=+m,+v,+zvfhmin,+zvfbfmin | FileCheck %s
+; RUN: llc < %s -mtriple=riscv64 -mattr=+m,+v,+zvfhmin,+zvfbfmin | FileCheck %s
 
 ; Integers
 
@@ -1067,6 +1065,3 @@ define {<vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2
   %retval = call {<vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>} @llvm.vector.deinterleave7.nxv14i64(<vscale x 14 x i64> %vec)
   ret {<vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>} %retval
 }
-;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
-; RV32: {{.*}}
-; RV64: {{.*}}