marvell: remove unused variable
marvell: remove unused variable

Fix compile error in mrvl_pp2_delete_if caused by unused variable by
removing that variable.

Type: fix
Fixes: b85b0df2a039b694fb2f3c09a01decfb89d7bce2
Change-Id: I819bcfbfdbd0f85cc42be953be63ef124520852c
Signed-off-by: Robert Shearman <e055758c467ec7c54b1e95823eebc18b66325cbc@gmail.com>

chrisy/vpp,chrisy/vpp,chrisy/vpp,FDio/vpp,FDio/vpp,chrisy/vpp,FDio/vpp,chrisy/vpp,chrisy/vpp,FDio/vpp,FDio/vpp,chrisy/vpp,FDio/vpp,FDio/vpp,chrisy/vpp,FDio/vpp