Remove deprecated Metadata getters (#1315)

* Remove deprecated Metadata getters

* Start metadata with som injected types

* Cleanup V0 somewhat with injected types

* Re-generate interfaces

* Extract some Storage type definitions

* Remove unneeded Calls & Constants files in metadata

packages/api-metadata/src/consts/types.ts

@@ -3,10 +3,10 @@
 // of the Apache-2.0 license. See the LICENSE file for details.
 
 import { Codec } from '@polkadot/types/types';
-import { ModuleConstantMetadata as MetaV7 } from '@polkadot/types/Metadata/v6/Constants';
+import { ModuleConstantMetadataV7 } from '@polkadot/types/interfaces';
 
 export interface ConstantCodec extends Codec {
-  meta: MetaV7;
+  meta: ModuleConstantMetadataV7;
 }
 
 export type ModuleConstants = Record<string, Codec>;

packages/api-metadata/src/extrinsics/fromMetadata/createUnchecked.ts

@@ -2,10 +2,9 @@
 // This software may be modified and distributed under the terms
 // of the Apache-2.0 license. See the LICENSE file for details.
 
-import { Call } from '@polkadot/types/interfaces';
+import { Call, FunctionMetadataV7 } from '@polkadot/types/interfaces';
 import { CallFunction } from '@polkadot/types/types';
 
-import { FunctionMetadata } from '@polkadot/types/Metadata/v7/Calls';
 import { createType } from '@polkadot/types';
 import { assert, stringCamelCase } from '@polkadot/util';
 
@@ -22,7 +21,7 @@ export default function createDescriptor (
   section: string,
   sectionIndex: number,
   methodIndex: number,
-  callMetadata: FunctionMetadata
+  callMetadata: FunctionMetadataV7
 ): CallFunction {
   const callIndex = new Uint8Array([sectionIndex, methodIndex]);
   const expectedArgs = callMetadata.args;