Stop including deprecated properties in context by default (#4389)

**What type of PR is this?**
Cleanup

**What does this PR do? Why is it needed?**
We would like to drop support for these properties completely, but for
now let's make them opt-in rather than opt-out. The core Go rules have
not been using them for 9 months or so.

**Which issues(s) does this PR fix?**

Fixes #

**Other notes for review**
17 files changed