Remove missing debugging info

Author: f74064054@mail.ncku.edu.tw

emu-rv32i.c

@@ -2128,7 +2128,6 @@ void execute_instruction()
             addr = reg[rs1] + imm;
             val = reg[rs2];
             rd = 0;
-            printf("addr: %08x\n", addr);
             if (target_write_u32(addr, val)) {
                 raise_exception(pending_exception, pending_tval);
                 return;