[jdk17u-dev] RFR: 8333353: Delete extra empty line in CodeBlob.java

[SendaoYan]

Hi all,

This pull request contains a clean backport of commit [91101f0d](https://github.com/openjdk/jdk/commit/91101f0d4fc8e06d0d74e06361db6ac87efeeb8e) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.

Trivial fix, delete an extra empty line, no risk.

Thanks!

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Commit messages:
 - Backport 91101f0d4fc8e06d0d74e06361db6ac87efeeb8e

Changes: https://git.openjdk.org/jdk17u-dev/pull/2525/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=2525&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8333353
  Stats: 1 line in 1 file changed: 0 ins; 1 del; 0 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/2525.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/2525/head:pull/2525

PR: https://git.openjdk.org/jdk17u-dev/pull/2525