RFR: Removed blockquote formatting for code blocks. [v2]

[Andreas Lundblad]

> Blockquotes were used to format code blocks. With proper styling for `<pre><code>` blocks this is no longer needed.

Andreas Lundblad has updated the pull request with a new target base due to a merge or a rebase. The pull request now
contains two commits:

 - Merge master
 - Removed blockquote formatting for code blocks.

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Changes: https://git.openjdk.java.net/guide/pull/24/files
 Webrev: https://webrevs.openjdk.java.net/guide/24/webrev.01
  Stats: 436 lines in 7 files changed: 0 ins; 0 del; 436 mod
  Patch: https://git.openjdk.java.net/guide/pull/24.diff
  Fetch: git fetch https://git.openjdk.java.net/guide pull/24/head:pull/24

PR: https://git.openjdk.java.net/guide/pull/24