RFR: Remove references to ccc.

[Joe Darcy]

Replace references to "ccc" and update terminology for the CSR process.

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

Commit messages:
 - Remove references to ccc.

Changes: https://git.openjdk.java.net/guide/pull/67/files
 Webrev: https://webrevs.openjdk.java.net/?repo=guide&pr=67&range=00
  Stats: 4 lines in 1 file changed: 0 ins; 0 del; 4 mod
  Patch: https://git.openjdk.java.net/guide/pull/67.diff
  Fetch: git fetch https://git.openjdk.java.net/guide pull/67/head:pull/67

PR: https://git.openjdk.java.net/guide/pull/67