RFR: 8256017: Remove unused elapsedTimer constructor [v2]

[Claes Redestad]

> 8256017: Remove unused elapsedTimer constructor

Claes Redestad has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains four additional commits since the last revision:

 - Copyrights
 - Merge branch 'master' into elapsedTimer_cleanup
 - Merge branch 'master' into elapsedTimer_cleanup
 - Remove unused elapsedTimer constructor

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

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/1112/files
  - new: https://git.openjdk.java.net/jdk/pull/1112/files/ae7e057e..b67a64b8

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=1112&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=1112&range=00-01

  Stats: 3122 lines in 128 files changed: 1301 ins; 1298 del; 523 mod
  Patch: https://git.openjdk.java.net/jdk/pull/1112.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/1112/head:pull/1112

PR: https://git.openjdk.java.net/jdk/pull/1112