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

docs/architecture/adr-063-core-module-api.md

@@ -330,7 +330,7 @@ Header Service defines a way to get header information about a block. This infor
 ```go 
 
 type Service interface {
-	GetHeaderInfo(context.Context) Info
+	HeaderInfo(context.Context) Info
 }
 
 type Info struct {
@@ -463,6 +463,7 @@ module manager and follow the Cosmos SDK's existing [0-based versioning](https:/
 versioning as well as runtime modularity, new officially supported runtime modules will be created under the
 `cosmossdk.io/runtime` prefix. For each supported consensus engine a semantically-versioned go module should be created
 with a runtime implementation for that consensus engine. For example:
+
 * `cosmossdk.io/runtime/comet`
 * `cosmossdk.io/runtime/comet/v2`
 * `cosmossdk.io/runtime/rollkit`