RFR: 8282150: Drop redundant <br> elements from tables in java.desktop HTML files

[Alexey Ivanov]

Drops the redundant `<br>` elements from tables and lists in java.desktop HTML files.

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Depends on: https://git.openjdk.java.net/jdk/pull/7546

Commit messages:
 - 8282150: Drop redundant <br> elements from tables in java.desktop HTML files

Changes: https://git.openjdk.java.net/jdk/pull/7547/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=7547&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8282150
  Stats: 168 lines in 2 files changed: 0 ins; 0 del; 168 mod
  Patch: https://git.openjdk.java.net/jdk/pull/7547.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/7547/head:pull/7547

PR: https://git.openjdk.java.net/jdk/pull/7547