habanalabs: fix double assignment in MMU V1

Removing double assignment of the hop2_pte_addr
variable in dram_default_mapping_fini().

Dead store reported by clang-analyzer.
Signed-off-by: Marco Pagani <marpagan@redhat.com>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>

drivers/misc/habanalabs/common/mmu/mmu_v1.c

@@ -344,7 +344,6 @@ static void dram_default_mapping_fini(struct hl_ctx *ctx)
 		}
 	}
 
-	hop2_pte_addr = hop2_addr;
 	hop2_pte_addr = hop2_addr;
 	for (i = 0 ; i < num_of_hop3 ; i++) {
 		clear_pte(ctx, hop2_pte_addr);