Gmail policy 9, policy statement and implementation steps are not in sync

[snarve]

🐛 Summary

Gmail policy 9, policy statement and implementation steps are inconsistent

In the implementation steps, policy statement from 9.1 is split across implementation steps in 9.1 and 9.2

[snarve]

Linked to #288

Update implementation steps as part of #288

[jkaufman-mitre]

@snarve I will work on fixing this.

[snarve]

@snarve I will work on fixing this.

Thank you

[jkaufman-mitre]

Remove Policy Gmail 9.2 and move it to 9.1 as a note.

[jkaufman-mitre]

Handled this change under the new PR 310.