Integrated: extra spaces in quick links section causing problems

[calnan]

inadvertent spaces cause the quick links section in the JBS chapter cause it not to display correctly

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Commit messages:
 - extra spaces in quick links section causing problems

Changes: https://git.openjdk.org/guide/pull/104/files
 Webrev: https://webrevs.openjdk.org/?repo=guide&pr=104&range=00
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/guide/pull/104.diff
  Fetch: git fetch https://git.openjdk.org/guide.git pull/104/head:pull/104

PR: https://git.openjdk.org/guide/pull/104