Revert "Use `BigInt` constructor instead of happening `n` as it seems to have better browser support. (#611)" (#613)

This reverts commit f4e81dd29c.

CHANGELOG.md

@@ -7,10 +7,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
-### Changed
-
-- Use `BigInt` constructor instead of happening `n` as it seems to have better browser support.
-
 ## [0.19.1] - 2022-03-10
 
 ### Added

src/lib/enr/enr.ts

@@ -31,7 +31,7 @@ export class ENR extends Map<ENRKey, ENRValue> {
 
   constructor(
     kvs: Record<ENRKey, ENRValue> = {},
-    seq: SequenceNumber = BigInt(1),
+    seq: SequenceNumber = 1n,
     signature: Uint8Array | null = null
   ) {
     super(Object.entries(kvs));