Fix mention of nonexistent `UtfEntry` in the classfile data model diagram. -------------
Commit messages: - 8380968: classfile package doc mentions nonexistent UtfEntry Changes: https://git.openjdk.org/jdk/pull/30454/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=30454&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8380968 Stats: 4 lines in 1 file changed: 0 ins; 0 del; 4 mod Patch: https://git.openjdk.org/jdk/pull/30454.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/30454/head:pull/30454 PR: https://git.openjdk.org/jdk/pull/30454
