RFR: 8282150: Drop redundant <br> elements from tables in java.desktop HTML files [v3]

[Alexey Ivanov]

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

Alexey Ivanov has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains four additional commits since the last revision:

 - Merge branch 'master' into 8282150-drop-br
 - 8282150: Drop redundant <br> elements from tables in java.desktop HTML files
 - 8260328: Drop more 'vertical-align: top' from elements
 - 8260328: Drop 'vertical-align: top' from elements
   Apply the style globally

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/7547/files
  - new: https://git.openjdk.java.net/jdk/pull/7547/files/7feab702..a1a320ff

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=7547&range=02
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=7547&range=01-02

  Stats: 1623 lines in 51 files changed: 866 ins; 650 del; 107 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