remove mention of hasgenesis from core

docs/docs/building-modules/01-module-manager.md

@@ -29,14 +29,14 @@ There are 4 main application module interfaces:
 
 * [`appmodule.AppModule` / `module.AppModule`](#appmodule) for inter-dependent module functionalities (except genesis-related functionalities).
 * (legacy) [`module.AppModuleBasic`](#appmodulebasic) for independent module functionalities. New modules can use `module.CoreAppModuleBasicAdaptor` instead.
-* (legacy) [`module.AppModuleGenesis`](#appmodulegenesis) for inter-dependent genesis-related module functionalities.
+* (legacy) [`module.HasGenesis`](#hasgenesis) for inter-dependent genesis-related module functionalities.
+* (legacy) [`module.HasABCIGenesis`](#hasabcigenesis) for inter-dependent genesis-related module functionalities.
 * (legacy) `module.GenesisOnlyAppModule`: Defines an `AppModule` that only has import/export functionality
 
 The above interfaces are mostly embedding smaller interfaces (extension interfaces), that defines specific functionalities:
 
 * (legacy) `module.HasName`: Allows the module to provide its own name for legacy purposes.
 * (legacy) [`module.HasGenesisBasics`](#hasgenesisbasics): The legacy interface for stateless genesis methods.
-* [`appmodule.HasGenesis` / `module.HasGenesis`](#hasgenesis): The extension interface for stateful genesis methods.
 * [`appmodule.HasBeginBlocker`](#hasbeginblocker): The extension interface that contains information about the `AppModule` and `BeginBlock`.
 * [`appmodule.HasEndBlocker`](#hasendblocker): The extension interface that contains information about the `AppModule` and `EndBlock`.
 * [`appmodule.HasPrecommit`](#hasprecommit): The extension interface that contains information about the `AppModule` and `Precommit`.
@@ -96,32 +96,27 @@ Let us go through the methods:
 * `DefaultGenesis(codec.JSONCodec)`: Returns a default [`GenesisState`](./08-genesis.md#genesisstate) for the module, marshalled to `json.RawMessage`. The default `GenesisState` need to be defined by the module developer and is primarily used for testing.
 * `ValidateGenesis(codec.JSONCodec, client.TxEncodingConfig, json.RawMessage)`: Used to validate the `GenesisState` defined by a module, given in its `json.RawMessage` form. It will usually unmarshall the `json` before running a custom [`ValidateGenesis`](./08-genesis.md#validategenesis) function defined by the module developer.
 
-### `AppModuleGenesis`
-
-:::note
-Use `appmodule.HasGenesis` instead.
-:::
+### `HasGenesis`
 
-The `AppModuleGenesis` interface is a simple embedding of the `AppModuleBasic` and `HasGenesis` interfaces.
+`HasGenesis` is an extension interface for allowing modules to implement genesis functionalities. If you 
 
 ```go reference
-https://github.com/cosmos/cosmos-sdk/blob/v0.50.0-alpha.0/types/module/module.go#L183-L186
+https://github.com/cosmos/cosmos-sdk/blob/v0.50.0-alpha.0/types/module/module.go#L189-L193
 ```
 
 It does not have its own manager, and exists separately from [`AppModule`](#appmodule) only for modules that exist only to implement genesis functionalities, so that they can be managed without having to implement all of `AppModule`'s methods.
 
-### `HasGenesis`
+### `HasABCIGenesis`
 
-The `HasGenesis` interface is an extension interface of `HasGenesisBasics`.
+`HasABCIGenesis` is an extension interface for allowing modules to implement genesis functionalities and returns validator set updates.
 
 ```go reference
-https://github.com/cosmos/cosmos-sdk/blob/v0.50.0-alpha.0/core/appmodule/genesis.go#L10-L24
+https://github.com/cosmos/cosmos-sdk/blob/v0.50.0-alpha.0/types/module/module.go#L189-L193 
 ```
+<!-- TODO change link above after merge -->
 
-Let us go through the two added methods:
+It does not have its own manager, and exists separately from [`AppModule`](#appmodule) only for modules that exist only to implement genesis functionalities, so that they can be managed without having to implement all of `AppModule`'s methods.
 
-* `InitGenesis(context.Context, codec.JSONCodec, json.RawMessage)`: Initializes the subset of the state managed by the module. It is called at genesis (i.e. when the chain is first started).
-* `ExportGenesis(context.Context, codec.JSONCodec)`: Exports the latest subset of the state managed by the module to be used in a new genesis file. `ExportGenesis` is called for each module when a new chain is started from the state of an existing chain.
 
 ### `AppModule`
 

types/module/module.go

@@ -2,7 +2,6 @@
 Package module contains application module patterns and associated "manager" functionality.
 The module pattern has been broken down by:
   - independent module functionality (AppModuleBasic)
-  - inter-dependent module genesis functionality (AppModuleGenesis)
   - inter-dependent module simulation functionality (AppModuleSimulation)
   - inter-dependent module full functionality (AppModule)
 
@@ -21,7 +20,7 @@ have to manually register all of the codecs for all the modules. This basic
 procedure as well as other basic patterns are handled through the use of
 BasicManager.
 
-Lastly the interface for genesis functionality (AppModuleGenesis) has been
+Lastly the interface for genesis functionality (HasGenesis & HasABCIGenesis) has been
 separated out from full module functionality (AppModule) so that modules which
 are only used for genesis can take advantage of the Module patterns without
 needlessly defining many placeholder functions
@@ -182,8 +181,6 @@ func (bm BasicManager) AddQueryCommands(rootQueryCmd *cobra.Command) {
 	}
 }
 
-// AppModuleGenesis is the standard form for an application module genesis functions
-
 // HasGenesis is the extension interface for stateful genesis methods.
 type HasGenesis interface {
 	HasGenesisBasics