Revert "add CPU DVFS skeleton"

This reverts commit 930f2efe63.

Source/hoc-clk/sysmodule/src/board/board_fuse.cpp

@@ -60,35 +60,6 @@ namespace board {
         }
     }
 
-    void SetCpuBracket(u16 speedo, u8 &cpuBracket) {
-        switch (speedo) {
-            // Mariko
-            case 1451 ... 1500:
-                cpuBracket = 6;
-                break;
-            case 1501 ... 1550:
-                cpuBracket = 5;
-                break;
-            case 1551 ... 1600:
-                cpuBracket = 4;
-                break;
-            case 1601 ... 1650:
-                cpuBracket = 3;
-                break;
-            case 1651 ... 1700:
-                cpuBracket = 2;
-                break;
-            case 1701 ... 1750:
-                cpuBracket = 1;
-                break;
-            case 1751 ... 1800:
-                cpuBracket = 0;
-                break;
-            default:
-                cpuBracket = 6;
-        }
-    }
-
     void ReadFuses(FuseData &speedo, u64 fuseVa) {
         constexpr u32 FuseOffset = 0x800;
         u8 *fusePtr = reinterpret_cast<u8 *>(fuseVa) + FuseOffset;