Reapply changes since v1.1.0-rc2 import

[ggwpez]

We imported the runtimes into this repo at tag v1.1.0-rc2 but still merged stuff until they got removed in #1731.
This re-applies all changes in that commit range v1.1.0-rc2..bf90cb0b checked in the SDK with
git log v1.1.0-rc2..bf90cb0b -- polkadot/runtime/. Closes #112

Most changes got applied as part of #56, but two were missing:

• Remove SafeCallFilter from Relay Runtimes paritytech/polkadot-sdk#1303
• Disable Calls to Identity Pallet paritytech/polkadot-sdk#1476 (reverted)

One open Q since there was a difference between #1291 and #67.

[ggwpez]

/merge

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[xlc]

Is there a written down identity migration plan? How long will the migration to take? Are UI devs aware of this? Any announcement post? I will either block merge of this PR or the release of the next runtime until those questions are addressed.

However, given that I will most likely going to block the next runtime release due to other reasons (lack of tests), so maybe I will let this pass and just add one more reason to block the next runtime release.

[joepetrowski]

We don't want to block Identity calls yet. We need at least Polkadot SDK v1.7.0 to start the migration, and we will do Kusama only first. For now, type BaseCallFilter = Everything is fine.

Once we have 1.7.0, I will make a PR with a People Chain runtime and blocking Kusama Identity calls.

[bkchr]

Per @joepetrowski comment

[ggwpez]

Reverted the identity changes to both runtimes.

[ggwpez]

@xlc PTAL

PS: Nvm looks like the review bot was happy.