riscv: remove the unused current_pgdir function

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
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Christoph Hellwig 2018-01-09 15:00:33 +01:00 • committed by Palmer Dabbelt
commit 0ca7a0b7c1
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