sysclk: code cleanup and fan speed

also fix incompatibility with nx fancontrol

Source/sys-clk/sysmodule/src/clock_manager.cpp

@@ -33,7 +33,7 @@
 #include "errors.h"
 #include "ipc_service.h"
 #include "kip.h"
-#include "i2c_reg.h"
+#include <i2c.h>
 #include "notification.h"
 
 #define HOSPPC_HAS_BOOST (hosversionAtLeast(7,0,0))
@@ -587,8 +587,6 @@ bool ClockManager::RefreshContext()
         FileUtils::WriteContextToCsv(this->context);
     }
 
-    this->context->fanLevel = Board::GetFanRotationLevel();
-
     return hasChanged;
 }