RFR: 8332403: Anachronistic reference to Netscape Communicator in Swing API docs

[Prasanta Sadhukhan]

Inadvertent mention of Netscape in Javadoc is removed..

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Commit messages:
 - 8332403: Anachronistic reference to Netscape Communicator in Swing API docs
 - 8332403: Anachronistic reference to Netscape Communicator in Swing API docs

Changes: https://git.openjdk.org/jdk/pull/19276/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=19276&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8332403
  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/19276.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/19276/head:pull/19276

PR: https://git.openjdk.org/jdk/pull/19276