Reduce remaining program crates to boilerplate crates

programs/token_program/src/lib.rs

@@ -1,23 +1,3 @@
-use bincode::serialize;
-use log::*;
-use solana_sdk::account::KeyedAccount;
-use solana_sdk::pubkey::Pubkey;
-use solana_sdk::solana_entrypoint;
-use solana_sdk::transaction::InstructionError;
+use solana_token_api::token_processor::process_instruction;
 
-mod token_program;
-
-solana_entrypoint!(entrypoint);
-fn entrypoint(
-    program_id: &Pubkey,
-    info: &mut [KeyedAccount],
-    input: &[u8],
-    _tick_height: u64,
-) -> Result<(), InstructionError> {
-    solana_logger::setup();
-
-    token_program::TokenProgram::process(program_id, info, input).map_err(|e| {
-        error!("error: {:?}", e);
-        InstructionError::CustomError(serialize(&e).unwrap())
-    })
-}
+solana_sdk::process_instruction_entrypoint!(process_instruction);