RFR: 8325800: Drop unused cups declaration from Oracle build configuration

[Mikael Vidstedt]

The cups dependency was used for Solaris builds, and has been unused since [JDK-8244224](https://bugs.openjdk.org/browse/JDK-8244224).

Testing: tier1

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Commit messages:
 - 8325800: Drop unused cups declaration from Oracle build configuration

Changes: https://git.openjdk.org/jdk/pull/17837/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=17837&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8325800
  Stats: 7 lines in 1 file changed: 0 ins; 6 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/17837.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/17837/head:pull/17837

PR: https://git.openjdk.org/jdk/pull/17837