remove old pow gadget files

compiler/src/value/integer/integer.rs

@@ -27,7 +27,7 @@ use leo_gadgets::{
 use snarkvm_fields::{Field, PrimeField};
 use snarkvm_gadgets::traits::utilities::{
     alloc::AllocGadget,
-    arithmetic::{Add, Div, Mul, Neg},
+    arithmetic::{Add, Div, Mul, Neg, Pow},
     boolean::Boolean,
     eq::{ConditionalEqGadget, EqGadget, EvaluateEqGadget},
     select::CondSelectGadget,

gadgets/src/arithmetic/mod.rs

@@ -14,8 +14,5 @@
 // You should have received a copy of the GNU General Public License
 // along with the Leo library. If not, see <https://www.gnu.org/licenses/>.
 
-// pub mod pow;
-// pub use self::pow::*;
-
 pub mod sub;
 pub use self::sub::*;

gadgets/src/arithmetic/pow.rs

@@ -1,28 +0,0 @@
-// // Copyright (C) 2019-2021 Aleo Systems Inc.
-// // This file is part of the Leo library.
-//
-// // The Leo library is free software: you can redistribute it and/or modify
-// // it under the terms of the GNU General Public License as published by
-// // the Free Software Foundation, either version 3 of the License, or
-// // (at your option) any later version.
-//
-// // The Leo library is distributed in the hope that it will be useful,
-// // but WITHOUT ANY WARRANTY; without even the implied warranty of
-// // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// // GNU General Public License for more details.
-//
-// // You should have received a copy of the GNU General Public License
-// // along with the Leo library. If not, see <https://www.gnu.org/licenses/>.
-//
-// use snarkvm_fields::Field;
-// use snarkvm_r1cs::ConstraintSystem;
-//
-// /// Returns exponentiation of `self` ** `other` in the constraint system.
-// pub trait Pow<F: Field, Rhs = Self>
-// where
-//     Self: std::marker::Sized,
-// {
-//     type ErrorType;
-//
-//     fn pow<CS: ConstraintSystem<F>>(&self, cs: CS, other: &Self) -> Result<Self, Self::ErrorType>;
-// }