MIPS: c-r4k: Call R4600_HIT_CACHEOP_WAR_IMPL only for 32 byte cache lines.

R4600_HIT_CACHEOP_WAR_IMPL is only needed on R4600 v1.6 and the R4600 has
data cache lines that are always 32 bytes so the call is pointless in
r4k_blast_dcache_page_dc64.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index 1c74a6a..7bc14ffc 100644
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -105,7 +105,6 @@
 
 static inline void r4k_blast_dcache_page_dc64(unsigned long addr)
 {
-	R4600_HIT_CACHEOP_WAR_IMPL;
 	blast_dcache64_page(addr);
 }