remove: removing non-used header file

src/upf_app/bpf/rules/include/pfcp_session_pdr_lookup_maps.h

-#ifndef __PFCP_SESSION_PDR_LOOKUP_MAPS_H__
-#define __PFCP_SESSION_PDR_LOOKUP_MAPS_H__
-
-#include <linux/bpf.h>
-#include <types.h>
-#include <pfcp/pfcp_pdr.h>
-#include <pfcp/pfcp_far.h>
-#include <ie/fteid.h>
-#include <ie/fseid.h>
-
-#define MAX_LENGTH 10000
-#define PDR_ENTRIES_MAX_SIZE 10000
-#define FAR_ENTRIES_MAX_SIZE 10000
-#define ARP_ENTRIES_MAX_SIZE 12
-
-/*---------------------------------------------------------------------------------------------------------------*/
-struct {
-  __uint(type, BPF_MAP_TYPE_HASH);
-  __uint(max_entries, FAR_ENTRIES_MAX_SIZE);
-  __type(key, u32);            // teid
-  __type(value, pfcp_far_t_);  // list of pdr
-} m_fars SEC(".maps");
-
-/*---------------------------------------------------------------------------------------------------------------*/
-struct {
-  __uint(type, BPF_MAP_TYPE_DEVMAP);
-  __uint(max_entries, MAX_LENGTH);
-  __type(key, u32);    // id
-  __type(value, u32);  // tx port
-} m_redirect_interfaces SEC(".maps");
-
-/*---------------------------------------------------------------------------------------------------------------*/
-struct {
-  __uint(type, BPF_MAP_TYPE_HASH);
-  __uint(max_entries, PDR_ENTRIES_MAX_SIZE);
-  __type(key, teid_t_);        // teid
-  __type(value, pfcp_pdr_t_);  // assuming only one PDR
-} m_teid_pdr SEC(".maps");
-
-/*---------------------------------------------------------------------------------------------------------------*/
-struct {
-  __uint(type, BPF_MAP_TYPE_HASH);
-  __uint(max_entries, PDR_ENTRIES_MAX_SIZE);
-  __type(key, u32);            // UE IP address
-  __type(value, pfcp_pdr_t_);  // assuming only one PDR
-} m_ueip_pdr SEC(".maps");
-
-/*---------------------------------------------------------------------------------------------------------------*/
-struct {
-  __uint(type, BPF_MAP_TYPE_HASH);
-  __uint(max_entries, ARP_ENTRIES_MAX_SIZE);
-  __type(key, u32);                 // IPv4 address
-  __type(value, unsigned char[8]);  // MAC address
-} m_arp_table SEC(".maps");
-
-#endif  // __PFCP_SESSION_PDR_LOOKUP_MAPS_H__