OpenDuetPkg: Fix accidentally adding USB KB

OpenDuetPkg.fdf

@@ -21,7 +21,7 @@
 !endif
 
   BlockSize          = 0x10000
-  NumBlocks          = 9
+  NumBlocks          = 8
   FvAlignment        = 16         #FV alignment and FV attributes setting.
   ERASE_POLARITY     = 1
   MEMORY_MAPPED      = TRUE
@@ -96,7 +96,7 @@
 
   # Keyboard input (OpenCore has custom drivers)
   # INF  MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KeyboardDxe.inf
-  INF  MdeModulePkg/Bus/Usb/UsbKbDxe/UsbKbDxe.inf
+  # INF  MdeModulePkg/Bus/Usb/UsbKbDxe/UsbKbDxe.inf
 
   # Mouse input (PS/2 is usually customised for touchpad)
   # INF  MdeModulePkg/Bus/Isa/Ps2MouseDxe/Ps2MouseDxe.inf