Enhance eBPF C code generation by adding support for kprobe context includes and removing unused Linux headers in kprobe code generation.

Author: congwang-mk

src/context/kprobe_codegen.ml

@@ -56,9 +56,7 @@ let generate_kprobe_includes () = [
   "#define __TARGET_ARCH_x86";
   "#endif";
   "";
-  "#include <linux/types.h>";
   "#include <bpf/bpf_tracing.h>";
-  "#include <linux/ptrace.h>";
 ]
 
 (** Generate field access for kprobe context *)

src/ebpf_c_codegen.ml

@@ -1123,6 +1123,7 @@ let generate_includes ctx ?(program_types=[]) () =
   let context_includes = List.fold_left (fun acc prog_type ->
     let context_type = match prog_type with
       | Ast.Tc -> Some "tc"
+      | Ast.Kprobe -> Some "kprobe"
       | _ -> None
     in
     match context_type with