[Rev 02] RFR: Updated intro

[Jesper Wilhelmsson]

> I re-wrote the intro to talk more about the present and less about the past.

Jesper Wilhelmsson has updated the pull request incrementally with one additional commit since the last revision:

  Removed Maintenance

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Changes:
  - all: https://git.openjdk.java.net/guide/pull/15/files
  - new: https://git.openjdk.java.net/guide/pull/15/files/f3d00ffe..c2e69651

Webrevs:
 - full: https://webrevs.openjdk.java.net/guide/15/webrev.02
 - incr: https://webrevs.openjdk.java.net/guide/15/webrev.01-02

  Stats: 1 line in 1 file changed: 0 ins; 1 del; 0 mod
  Patch: https://git.openjdk.java.net/guide/pull/15.diff
  Fetch: git fetch https://git.openjdk.java.net/guide pull/15/head:pull/15

PR: https://git.openjdk.java.net/guide/pull/15