RFR: 8294526: sun/security/provider/SubjectCodeSource.java no longer referenced [v2]

[Ryan Wallace]

> SubjectCodeSource is no longer used, Class should be deleted and all references updated

Ryan Wallace 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 seven additional commits since the last revision:

 - Merge branch 'master' into 8294526
 - Merge branch 'master' into 8294526
 - Merge branch 'master' into 8294526
 - 8294526: SubjectCodeSource is no longer referenced
 - Merge branch 'master' into 8294526
 - Merge branch 'openjdk:master' into 8294526
 - 8294526: SubjectCodeSource is no longer used, removing class and all references

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/10550/files
  - new: https://git.openjdk.org/jdk/pull/10550/files/a41e36ce..feb38b83

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=10550&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=10550&range=00-01

  Stats: 3063 lines in 73 files changed: 1498 ins; 1312 del; 253 mod
  Patch: https://git.openjdk.org/jdk/pull/10550.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/10550/head:pull/10550

PR: https://git.openjdk.org/jdk/pull/10550