RFR: 8285919: Remove debug printout from JDK-8285093

[Magnus Ihse Bursie]

A debug printout in configure was introduced in JDK-8285093. It should be removed.

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Commit messages:
 - 8285919: Remove debug printout from JDK-8285093

Changes: https://git.openjdk.java.net/jdk/pull/8467/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=8467&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8285919
  Stats: 1 line in 1 file changed: 0 ins; 1 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/8467.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/8467/head:pull/8467

PR: https://git.openjdk.java.net/jdk/pull/8467