RFR: 8294752: G1: Remove redundant checks in check_obj_during_refinement

Tue Oct 4 09:49:34 UTC 2022

Simple change of removing redundant assertions.

Test: hotspot_gc

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Commit messages:
 - g1-assert-referential-transparency

Changes: https://git.openjdk.org/jdk/pull/10551/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=10551&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8294752
  Stats: 4 lines in 1 file changed: 0 ins; 3 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/10551.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/10551/head:pull/10551

PR: https://git.openjdk.org/jdk/pull/10551