RFR: 8317034: Redundant type cast [v2]

[Mourad Abbay]

> Remove redundant type cast in the java.util.stream package.

Mourad Abbay has updated the pull request incrementally with one additional commit since the last revision:

  Apply Paul's review.

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Changes:
  - all: https://git.openjdk.org/jdk/pull/15942/files
  - new: https://git.openjdk.org/jdk/pull/15942/files/94813d5f..439a74ad

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=15942&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=15942&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/15942.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/15942/head:pull/15942

PR: https://git.openjdk.org/jdk/pull/15942