CPU (FreeBSD): remove using of freq_levels

Doesn't work at all

Fix #1260

src/detection/cpu/cpu_bsd.c

@@ -41,23 +41,6 @@ const char* ffDetectCPUImpl(const FFCPUOptions* options, FFCPUResult* cpu)
 
     ffCPUDetectSpeedByCpuid(cpu);
 
-    for (uint16_t i = 0; i < cpu->coresLogical; ++i)
-    {
-        ffStrbufClear(&buffer);
-        char key[32];
-        snprintf(key, sizeof(key), "dev.cpu.%u.freq_levels", i);
-        if (ffSysctlGetString(key, &buffer) == NULL)
-        {
-            if (buffer.length == 0) continue;
-
-            // MHz/Watts pairs like: 2501/32000 2187/27125 2000/24000
-            uint32_t fmax = (uint32_t) strtoul(buffer.chars, NULL, 10);
-            if (cpu->frequencyMax < fmax) cpu->frequencyMax = fmax;
-        }
-        else
-            break;
-    }
-
     cpu->frequencyBase = (uint32_t) ffSysctlGetInt("hw.clockrate", 0);
     cpu->temperature = FF_CPU_TEMP_UNSET;