Revert "switch netd.o to BpfLoader v0.18 file format" am: b0adaec487

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2130613

Change-Id: I42d70fbf02c8289cad70c31763ba12101f5d6f05
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/bpf_progs/netd.c b/bpf_progs/netd.c
index 7e5218f..17c18c9 100644
--- a/bpf_progs/netd.c
+++ b/bpf_progs/netd.c
@@ -17,8 +17,6 @@
 // The resulting .o needs to load on the Android T Beta 3 bpfloader
 #define BPFLOADER_MIN_VER BPFLOADER_T_BETA3_VERSION
 
-#define V18
-
 #include <bpf_helpers.h>
 #include <linux/bpf.h>
 #include <linux/if.h>