loongarch: drop definition of PMD_ORDER

This is the order of the page table allocation, not the order of a PMD. 
Since its always hardwired to 0, simply drop it.

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Mike Rapoport <[email protected]>
Cc: Arnd Bergmann <[email protected]>
Cc: Dinh Nguyen <[email protected]>
Cc: Guo Ren <[email protected]>
Cc: Helge Deller <[email protected]>
Cc: Huacai Chen <[email protected]>
Cc: James Bottomley <[email protected]>
Cc: "Matthew Wilcox (Oracle)" <[email protected]>
Cc: Max Filippov <[email protected]>
Cc: Thomas Bogendoerfer <[email protected]>
Cc: Xuerui Wang <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

0 files changed, 0 insertions, 0 deletions