RFR: 8329352: Remove dead code in splashscreen_sys.c [v2]

[Man Cao]

> Hi all,
> 
> Could anyone review this trivial change to remove dead code in splashscreen_sys.c?
> 
> -Man

Man Cao has updated the pull request incrementally with one additional commit since the last revision:

  Update copyright year

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/18556/files
  - new: https://git.openjdk.org/jdk/pull/18556/files/d7c512b1..6b555e96

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=18556&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=18556&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/18556.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/18556/head:pull/18556

PR: https://git.openjdk.org/jdk/pull/18556