Remove duplicate code buffer_func.h
Remove duplicate code buffer_func.h

Change-Id: I57e442b1f3486c5e8caac9d2e288869ee10f37b8
Signed-off-by: Damjan Marion <9141bba8b2efed526e55cf796d48631af330ad98@cisco.com>

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