<AWT Dev> RFR: 8198422: Test java/awt/font/StyledMetrics/BoldSpace.java is unstable

[Prasanta Sadhukhan]

This test was marked as unstable in CI run due to samevm mode issue. It is now passing in default othervm mode.
Several iterations of this test running in all platforms is working fine, link in JBS.
We can remove the test from ProblemList.

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Commit messages:
 - 8198422: Test java/awt/font/StyledMetrics/BoldSpace.java is unstable

Changes: https://git.openjdk.java.net/jdk/pull/3601/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=3601&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8198422
  Stats: 1 line in 1 file changed: 0 ins; 1 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/3601.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/3601/head:pull/3601

PR: https://git.openjdk.java.net/jdk/pull/3601