[jdk17u] RFR: 8273808: Cleanup AddFontsToX11FontPath

[Matthias Baesken]

8273808: Cleanup AddFontsToX11FontPath

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Commit messages:
 - Backport 35f6f1d69f4238f16595b9b8f1d11db9e49d4cc9

Changes: https://git.openjdk.java.net/jdk17u/pull/208/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk17u&pr=208&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8273808
  Stats: 135 lines in 1 file changed: 0 ins; 134 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk17u/pull/208.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk17u pull/208/head:pull/208

PR: https://git.openjdk.java.net/jdk17u/pull/208