InstcountCI: Remove CPUID with constant. This no longer optimizes

unittests/InstructionCountCI/FEXOpt/MultiInst.json

@@ -19,45 +19,6 @@
     "These are instruction combinations that could be more optimal if FEX optimized for them"
   ],
   "Instructions": {
-    "cpuid constant": {
-      "x86InstructionCount": 2,
-      "ExpectedInstructionCount": 26,
-      "Comment": [
-        "CPUID function call with constant function id"
-      ],
-      "x86Insts": [
-        "mov rax, 0",
-        "cpuid"
-      ],
-      "ExpectedArm64ASM": [
-        "mov w4, #0x0",
-        "mov w20, #0x5",
-        "movk w20, #0x1, lsl #16",
-        "str x20, [x28, #24]",
-        "mrs x0, nzcv",
-        "str w0, [x28, #1032]",
-        "str x25, [x28, #176]",
-        "stp x4, x7, [x28, #32]",
-        "stp x5, x6, [x28, #48]",
-        "stp x8, x9, [x28, #64]",
-        "stp x10, x11, [x28, #80]",
-        "stp x12, x13, [x28, #96]",
-        "stp x14, x15, [x28, #112]",
-        "stp x16, x17, [x28, #128]",
-        "stp x19, x29, [x28, #144]",
-        "stp w26, w27, [x28, #16]",
-        "add x0, x28, #0x1c0 (448)",
-        "st1 {v16.2d, v17.2d, v18.2d, v19.2d}, [x0], #64",
-        "st1 {v20.2d, v21.2d, v22.2d, v23.2d}, [x0], #64",
-        "st1 {v24.2d, v25.2d, v26.2d, v27.2d}, [x0], #64",
-        "st1 {v28.2d, v29.2d, v30.2d, v31.2d}, [x0], #64",
-        "mov w0, #0x2",
-        "ldr x1, [x28, #2792]",
-        "br x1",
-        "unallocated (Unallocated)",
-        "udf #0xf9af"
-      ]
-    },
     "xgetbv constant": {
       "x86InstructionCount": 2,
       "ExpectedInstructionCount": 3,