kfdtest: remove IOMMUv2 performance monitor support

IOMMUv2 is removed from AMDGPU/KFD.

Change-Id: Ia00f9aa879a5f32a42bec914936d105d6845bc60
Signed-off-by: James Zhu <James.Zhu@amd.com>

tests/kfdtest/src/KFDPerfCounters.cpp

@@ -66,7 +66,6 @@ static struct block_name_table {
     {"TD     ", {0x7d7c0fe4, 0xfe41, 0x4fea, 0x92, 0xc9, 0x45, 0x44, 0xd7, 0x70, 0x6d, 0xc6}},
     {"VGT    ", {0x0b6a8cb7, 0x7a01, 0x409f, 0xa2, 0x2c, 0x30, 0x14, 0x85, 0x4f, 0x13, 0x59}},
     {"WD     ", {0x0e176789, 0x46ed, 0x4b02, 0x97, 0x2a, 0x91, 0x6d, 0x2f, 0xac, 0x24, 0x4a}},
-    {"IOMMUV2", {0x80969879, 0xb0f6, 0x4be6, 0x97, 0xf6, 0x6a, 0x63, 0x0, 0xf5, 0x10, 0x1d}},
     {"DRIVER ", {0xea9b5ae1, 0x6c3f, 0x44b3, 0x89, 0x54, 0xda, 0xf0, 0x75, 0x65, 0xa9, 0xa}}
 };