RFR: 8347375: Extra <p> tag in robot specification

[Alisen Chung]

Remove extra <p> tag in robot specification

-------------

Commit messages:
 - remove <p> tag
 - api note
 - update class spec
 - align spacing
 - remove extra space
 - remove extra html tag, update wording
 - init commit

Changes: https://git.openjdk.org/jdk/pull/23020/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=23020&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8347375
  Stats: 34 lines in 1 file changed: 33 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/23020.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/23020/head:pull/23020

PR: https://git.openjdk.org/jdk/pull/23020