remove caml_bigint_256_to_string

Author: Trivo25

src/bindings/crypto/bindings/bigint256.ts

@@ -38,9 +38,6 @@ const Bigint256Bindings = withPrefix('caml_bigint_256', {
     if (x === y) return 0;
     return 1;
   },
-  to_string(x: Bigint256) {
-    return toMlStringAscii(x[1].toString());
-  },
   // TODO performance critical
   test_bit(b: Bigint256, i: number): MlBool {
     return MlBool(!!(b[1] & (1n << BigInt(i))));

src/bindings/crypto/bindings/bindings.unit-test.ts

@@ -113,7 +113,6 @@ equivalentRecord(Bigint256Bindings, wasm, {
   caml_bigint_256_bytes_per_limb: { from: [], to: number },
   caml_bigint_256_div: { from: [bigint256, bigint256], to: bigint256 },
   caml_bigint_256_compare: { from: [bigint256, bigint256], to: number },
-  caml_bigint_256_to_string: { from: [bigint256], to: decimalString },
   caml_bigint_256_test_bit: {
     from: [bigint256, numberLessThan(256)],
     to: boolean,