enip: remove unnecessary unsafe

As the function SCEnipRegisterParsers is already marked as unsafe

rust/src/enip/enip.rs

@@ -634,13 +634,11 @@ pub unsafe extern "C" fn SCEnipRegisterParsers() {
             let _ = AppLayerRegisterParser(&parser, alproto);
         }
         SCLogDebug!("Rust enip parser registered for UDP.");
-        unsafe {
         AppLayerParserRegisterParserAcceptableDataDirection(
             IPPROTO_UDP,
             ALPROTO_ENIP,
             STREAM_TOSERVER | STREAM_TOCLIENT,
         );
-        }
         AppLayerParserRegisterLogger(IPPROTO_UDP, ALPROTO_ENIP);
     } else {
         SCLogDebug!("Protocol detector and parser disabled for ENIP on UDP.");
@@ -661,13 +659,11 @@ pub unsafe extern "C" fn SCEnipRegisterParsers() {
             let _ = AppLayerRegisterParser(&parser, alproto);
         }
         SCLogDebug!("Rust enip parser registered for TCP.");
-        unsafe {
         AppLayerParserRegisterParserAcceptableDataDirection(
             IPPROTO_TCP,
             ALPROTO_ENIP,
             STREAM_TOSERVER | STREAM_TOCLIENT,
         );
-        }
         AppLayerParserRegisterLogger(IPPROTO_TCP, ALPROTO_ENIP);
     } else {
         SCLogDebug!("Protocol detector and parser disabled for ENIP on TCP.");