remove unused struct.

test/integration-test/src/tests/stack_argument.rs

@@ -1,5 +1,9 @@
 use aya::{
-    include_bytes_aligned, maps::{AsyncPerfEventArray, HashMap}, programs::UProbe, util::online_cpus, Bpf,
+    include_bytes_aligned,
+    maps::{AsyncPerfEventArray, HashMap},
+    programs::UProbe,
+    util::online_cpus,
+    Bpf,
 };
 use aya_log::BpfLogger;
 use bytes::BytesMut;
@@ -8,18 +12,6 @@ use tokio::task;
 
 use crate::STACK_ARGUMENT;
 
-pub struct Args {
-    a_0: u64,
-    a_1: u64,
-    a_2: u64,
-    a_3: u64,
-    a_4: u64,
-    a_5: u64,
-
-    a_6: u64,
-    a_7: i64,
-}
-
 #[no_mangle]
 #[inline(never)]
 pub extern "C" fn trigger_stack_argument(