RFR: JDK-8297731: Remove redundant check in MutableBigInteger.divide [v2]

[Joe Darcy]

> Remove redundant code reported in
> 
> https://mail.openjdk.org/pipermail/core-libs-dev/2022-November/097163.html

Joe Darcy has updated the pull request incrementally with one additional commit since the last revision:

  Remove whitespace.

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Changes:
  - all: https://git.openjdk.org/jdk/pull/11395/files
  - new: https://git.openjdk.org/jdk/pull/11395/files/0e74b515..1f1a2b59

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=11395&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=11395&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 1 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/11395.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/11395/head:pull/11395

PR: https://git.openjdk.org/jdk/pull/11395