Supply by denom Migrations (#8780)

* Add back supply proto

* Add migration for supply

* Fix lint

* Update x/bank/spec/01_state.md

* Fix test

* Proto gen

* Update x/bank/spec/01_state.md

* Make proto gen

Co-authored-by: Jonathan Gimeno <jgimeno@gmail.com>

docs/core/proto-docs.md

@@ -80,6 +80,7 @@
     - [Output](#cosmos.bank.v1beta1.Output)
     - [Params](#cosmos.bank.v1beta1.Params)
     - [SendEnabled](#cosmos.bank.v1beta1.SendEnabled)
+    - [Supply](#cosmos.bank.v1beta1.Supply)
   
 - [cosmos/bank/v1beta1/genesis.proto](#cosmos/bank/v1beta1/genesis.proto)
     - [Balance](#cosmos.bank.v1beta1.Balance)
@@ -1560,6 +1561,23 @@ sendable).
 
 
 
+
+<a name="cosmos.bank.v1beta1.Supply"></a>
+
+### Supply
+Supply represents a struct that passively keeps track of the total supply
+amounts in the network.
+This message is deprecated now that supply is indexed by denom.
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| `total` | [cosmos.base.v1beta1.Coin](#cosmos.base.v1beta1.Coin) | repeated |  |
+
+
+
+
+
  <!-- end messages -->
 
  <!-- end enums -->