inithma: remove silly code that breaks reboot

It was disabling HMA if some control key is pressed.
But since reboot is initiated with control keys, it actually
disabled HMA!
Fortunately by default we don't use HMA, so that didn't trigger.

kernel/inithma.c

@@ -141,18 +141,6 @@ int ClaimHMA(void)
 
   XMSDriverAddress = xms_addr;
 
-#ifdef DEBUG
-  /* A) for debugging purpose, suppress this,
-     if any shift key is pressed
-   */
-  if (KeyboardShiftState() & 0x0f)
-  {
-    DebugPrintf(("Keyboard state is %0x, NOT moving to HMA\n",
-           KeyboardShiftState()));
-    return FALSE;
-  }
-#endif
-
   /* B) check out, if we can have HMA */
 
   if (!EnableHMA())