use solana_entrypoint directly (#3518)

sdk/src/native_program.rs

@@ -29,23 +29,3 @@ macro_rules! solana_entrypoint(
         }
     )
 );
-
-// Macro to define an entrypoint from a native `process_instruction` function.
-#[macro_export]
-macro_rules! process_instruction_entrypoint(
-    ($process_instruction:ident) => (
-        solana_sdk::solana_entrypoint!(process_instruction_entrypoint);
-        fn process_instruction_entrypoint(
-            program_id: &solana_sdk::pubkey::Pubkey,
-            keyed_accounts: &mut [solana_sdk::account::KeyedAccount],
-            data: &[u8],
-            tick_height: u64,
-        ) -> Result<(), solana_sdk::instruction::InstructionError> {
-            solana_logger::setup();
-
-            log::trace!("process_instruction: {:?}", data);
-            log::trace!("keyed_accounts: {:?}", keyed_accounts);
-            $process_instruction(program_id, keyed_accounts, data, tick_height)
-        }
-    )
-);