chore: remove duplicate instructions (#2029)

remove duplicate instructions (STOP, ADD) from instruction table

Author: shafu0x

crates/interpreter/src/instructions.rs

@@ -32,9 +32,6 @@ pub const fn instruction_table<WIRE: InterpreterTypes, H: Host + ?Sized>(
     let mut table = [control::unknown as crate::table::Instruction<WIRE, H>; 256];
 
     table[STOP as usize] = control::stop;
-    table[ADD as usize] = arithmetic::add;
-    table[STOP as usize] = control::stop;
-
     table[ADD as usize] = arithmetic::add;
     table[MUL as usize] = arithmetic::mul;
     table[SUB as usize] = arithmetic::sub;