RFR: updated affects versions example image to be thinner

[Roger Calnan]

Reduced the amount of text in the image, moving it inline

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Commit messages:
 - removed <br>s
 - updated affects versions example image to be thinner but moving the text inline

Changes: https://git.openjdk.org/guide/pull/121/files
  Webrev: https://webrevs.openjdk.org/?repo=guide&pr=121&range=00
  Stats: 6 lines in 2 files changed: 6 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/guide/pull/121.diff
  Fetch: git fetch https://git.openjdk.org/guide.git pull/121/head:pull/121

PR: https://git.openjdk.org/guide/pull/121