Integrated: 8253904: Revert Tokenizer improvements JDK-8224225

[Jim Laskey]

This reverts commit 90c131f29f23ba1be2c5ac50a780d39a752e2444.

Github test gave false positive.

https://bugs.openjdk.java.net/browse/JDK-8253904
https://github.com/JimLaskey/jdk/actions/runs/282419921

Sorry for the inconvenience.

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Commit messages:
 - Revert "8224225: Tokenizer improvements"

Changes: https://git.openjdk.java.net/jdk/pull/471/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=471&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8253904
  Stats: 2336 lines in 18 files changed: 586 ins; 1102 del; 648 mod
  Patch: https://git.openjdk.java.net/jdk/pull/471.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/471/head:pull/471

PR: https://git.openjdk.java.net/jdk/pull/471