refactor(core,x/**): simplify core service api and embed environment in keepers (#20071)

core/comet/service.go

@@ -5,9 +5,9 @@ import (
 	"time"
 )
 
-// CometInfoService is an interface that can be used to get information specific to Comet
-type CometInfoService interface {
-	GetCometInfo(context.Context) Info
+// Service is an interface that can be used to get information specific to Comet
+type Service interface {
+	CometInfo(context.Context) Info
 }
 
 // Info is the information comet provides apps in ABCI