RFR: 8356846: Remove unnecessary List.contains key from TIFFDirectory.removeTagSet

[Andrey Turbanov]

There is no need to call List.contains before List.remove call.
`tagSets` - is an ArrayList.

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Commit messages:
 - [PATCH] Remove unnecessary List.contains key from TIFFDirectory.removeTagSet

Changes: https://git.openjdk.org/jdk/pull/24816/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=24816&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8356846
  Stats: 5 lines in 1 file changed: 0 ins; 3 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/24816.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/24816/head:pull/24816

PR: https://git.openjdk.org/jdk/pull/24816