RFR: 8259385: Cleanup unused assignment

Thu Jan 7 18:35:07 UTC 2021

In the SunJSSE provider implementation, there are a few cases that the assigned value is never used.  For example:
  int i = 0;
  i = Byte.toUnsignedInt(buf.get());
could be simplified as
`    int i = Byte.toUnsignedInt(buf.get());`

Code cleanup, no new regression test.

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Commit messages:
 - 8259385: Cleanup unused assignment

Changes: https://git.openjdk.java.net/jdk/pull/1984/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=1984&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8259385
  Stats: 87 lines in 18 files changed: 16 ins; 25 del; 46 mod
  Patch: https://git.openjdk.java.net/jdk/pull/1984.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/1984/head:pull/1984

PR: https://git.openjdk.java.net/jdk/pull/1984