Revert "Calculate hash on pass-through" (#71)

* Revert "[CI Skip]  0.8.15"

This reverts commit c1b03eaf2c.

* Revert "Calculate hash on pass-through (#70)"

This reverts commit 7074036064.

* Update package.json

* Update package.json

* Update package.json

* yarn

packages/api-jsonrpc/src/chain/newHead.js

@@ -16,7 +16,6 @@ module.exports = ({
   isSubscription: true,
   inputs: [],
   output: {
-    type: 'Header',
-    withHash: true
+    type: 'Header'
   }
 }: InterfaceMethodDefinition);

packages/api-jsonrpc/src/types.js

@@ -16,8 +16,7 @@ export type InterfaceInputType = {
 };
 
 export type InterfaceOutputType = {
-  type: FormatOutputType,
-  withHash?: boolean
+  type: FormatOutputType
 };
 
 export type InterfaceMethodDefinition$Subscribe = {