cleanup(network/ebpf): remove unreachable check (#34108)

Co-authored-by: guyarb <guy20495@gmail.com>

pkg/network/ebpf/c/protocols/http/http.h

@@ -232,20 +232,6 @@ static __always_inline void http_process(http_event_t *event, skb_info_t *skb_in
     }
 }
 
-// this function is called by the socket-filter program to decide whether or not we should inspect
-// the contents of a certain packet, in order to avoid the cost of processing packets that are not
-// of interest such as empty ACKs, or encrypted traffic.
-static __always_inline bool http_allow_packet(conn_tuple_t *tuple, skb_info_t *skb_info) {
-    bool empty_payload = is_payload_empty(skb_info);
-    if (empty_payload) {
-        // if the payload data is empty or encrypted packet, we only
-        // process it if the packet represents a TCP termination
-        return skb_info->tcp_flags&(TCPHDR_FIN|TCPHDR_RST);
-    }
-
-    return true;
-}
-
 SEC("socket/http_filter")
 int socket__http_filter(struct __sk_buff* skb) {
     skb_info_t skb_info;
@@ -257,9 +243,6 @@ int socket__http_filter(struct __sk_buff* skb) {
         return 0;
     }
 
-    if (!http_allow_packet(&event.tuple, &skb_info)) {
-        return 0;
-    }
     normalize_tuple(&event.tuple);
 
     read_into_buffer_skb((char *)event.http.request_fragment, skb, skb_info.data_off);