RFR: JDK-8320361: Doc error in RemoteRecordingStream.java

[Jonathan Gibbons]

Please review a trivial `noreg-doc` fix to remove a redundant `<p>` tag before `{@snippet}`.  While mostly harmless, the empty paragraph does show up in HTML reports.

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Commit messages:
 - JDK-8320361: Doc error in RemoteRecordingStream.java

Changes: https://git.openjdk.org/jdk/pull/16721/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=16721&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8320361
  Stats: 1 line in 1 file changed: 0 ins; 1 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/16721.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/16721/head:pull/16721

PR: https://git.openjdk.org/jdk/pull/16721