Don't depend on solana_native_loader for IDs in the SDK

sdk/src/native_loader.rs

@@ -7,3 +7,7 @@ pub const NATIVE_LOADER_PROGRAM_ID: [u8; 32] = [
 pub fn id() -> Pubkey {
     Pubkey::new(&NATIVE_LOADER_PROGRAM_ID)
 }
+
+pub fn check_id(program_id: &Pubkey) -> bool {
+    program_id.as_ref() == NATIVE_LOADER_PROGRAM_ID
+}