revert: Revert RunMigrationBeginBlock addition in v0.50 (#17450)

baseapp/baseapp.go

@@ -43,12 +43,6 @@ type (
 	StoreLoader func(ms storetypes.CommitMultiStore) error
 )
 
-// MigrationModuleManager is the interface that a migration module manager should implement to handle
-// the execution of migration logic during the beginning of a block.
-type MigrationModuleManager interface {
-	RunMigrationBeginBlock(ctx sdk.Context) (bool, error)
-}
-
 const (
 	execModeCheck           execMode = iota // Check a transaction
 	execModeReCheck                         // Recheck a (pending) transaction after a commit
@@ -98,9 +92,6 @@ type BaseApp struct {
 	// manages snapshots, i.e. dumps of app state at certain intervals
 	snapshotManager *snapshots.Manager
 
-	// manages migrate module
-	migrationModuleManager MigrationModuleManager
-
 	// volatile states:
 	//
 	// - checkState is set on InitChain and reset on Commit
@@ -276,11 +267,6 @@ func (app *BaseApp) SetMsgServiceRouter(msgServiceRouter *MsgServiceRouter) {
 	app.msgServiceRouter = msgServiceRouter
 }
 
-// SetMigrationModuleManager sets the MigrationModuleManager of a BaseApp.
-func (app *BaseApp) SetMigrationModuleManager(migrationModuleManager MigrationModuleManager) {
-	app.migrationModuleManager = migrationModuleManager
-}
-
 // MountStores mounts all IAVL or DB stores to the provided keys in the BaseApp
 // multistore.
 func (app *BaseApp) MountStores(keys ...storetypes.StoreKey) {
@@ -685,22 +671,7 @@ func (app *BaseApp) beginBlock(req *abci.RequestFinalizeBlock) (sdk.BeginBlock,
 	)
 
 	if app.beginBlocker != nil {
-		ctx := app.finalizeBlockState.ctx
-		if app.migrationModuleManager != nil {
-			if success, err := app.migrationModuleManager.RunMigrationBeginBlock(ctx); success {
-				cp := ctx.ConsensusParams()
-				// Manager skips this step if Block is non-nil since upgrade module is expected to set this params
-				// and consensus parameters should not be overwritten.
-				if cp.Block == nil {
-					if cp = app.GetConsensusParams(ctx); cp.Block != nil {
-						ctx = ctx.WithConsensusParams(cp)
-					}
-				}
-			} else if err != nil {
-				return sdk.BeginBlock{}, err
-			}
-		}
-		resp, err = app.beginBlocker(ctx)
+		resp, err = app.beginBlocker(app.finalizeBlockState.ctx)
 		if err != nil {
 			return resp, err
 		}