rust: remove some unneeded cbindgen:ignore

Ticket: 7667

rust/cbindgen.toml

@@ -120,6 +120,7 @@ exclude = [
     "SRepCatGetByShortname",
     "SIGMATCH_NOOPT",
     "SIGMATCH_INFO_STICKY_BUFFER",
+    "FtpCommand",
 ]
 
 # Types of items that we'll generate. If empty, then all types of item are emitted.

rust/src/core.rs

@@ -68,11 +68,6 @@ macro_rules!BIT_U64 {
     ($x:expr) => (1 << $x);
 }
 
-// Defined in app-layer-protos.h
-/// cbindgen:ignore
-extern "C" {
-    pub fn StringToAppProto(proto_name: *const u8) -> AppProto;
-}
 
 /// cbindgen:ignore
 extern "C" {

rust/src/ftp/ftp.rs

@@ -35,7 +35,6 @@ pub struct DetectFtpReplyReceivedData {
     pub received: bool,
 }
 
-/// cbindgen:ignore
 #[repr(C)]
 pub struct FtpCommand {
     command_name: CString,