vlib: remove old memcpy implementation
vlib: remove old memcpy implementation

Change-Id: I21f5abb00cf12da5c144da477badc38736be7a7d
Signed-off-by: Damjan Marion <9141bba8b2efed526e55cf796d48631af330ad98@cisco.com>

chrisy/vpp,chrisy/vpp,milanlenco/vpp,GabrielGanne/vpp-flowtable,chrisy/vpp,GabrielGanne/vpp-flowtable,GabrielGanne/vpp-flowtable,vpp-dev/vpp,chrisy/vpp,FDio/vpp,milanlenco/vpp,FDio/vpp,FDio/vpp,GabrielGanne/vpp-flowtable,vpp-dev/vpp,milanlenco/vpp,milanlenco/vpp,vpp-dev/vpp,milanlenco/vpp,FDio/vpp,milanlenco/vpp,vpp-dev/vpp,chrisy/vpp,vpp-dev/vpp,chrisy/vpp,FDio/vpp,vpp-dev/vpp,vpp-dev/vpp,chrisy/vpp,FDio/vpp,GabrielGanne/vpp-flowtable,FDio/vpp,GabrielGanne/vpp-flowtable,FDio/vpp,chrisy/vpp