Bump github.com/ethereum/go-ethereum in /codes/golang/ecies (#8)

Bumps [github.com/ethereum/go-ethereum](https://github.com/ethereum/go-ethereum) from 1.9.13 to 1.9.25.
- [Release notes](https://github.com/ethereum/go-ethereum/releases)
- [Commits](ethereum/go-ethereum@v1.9.13...v1.9.25)

---
updated-dependencies:
- dependency-name: github.com/ethereum/go-ethereum
  dependency-type: direct:production
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

codes/golang/ecies/go.mod

@@ -1,5 +1,3 @@
 module ecies
 
 go 1.13
-
-require github.com/ethereum/go-ethereum v1.9.13