sdk: remove Ganache for integration tests

The integration tests do not need an Ethereum node anymore (and never
will in future). Therefore all parts that refer to the Ganache client
can be removed.

raiden-ts/package.json

@@ -57,7 +57,6 @@
     "@types/pouchdb-find": "^6.3.6",
     "@types/redux-logger": "^3.0.8",
     "@types/tiny-async-pool": "^1.0.0",
-    "ganache-cli": "^6.12.2",
     "jest": "^26.6.3",
     "jest-environment-node": "^26.6.2",
     "jest-extended": "^0.11.5",

raiden-ts/tests/global.d.ts

@@ -1,47 +1,3 @@
-/* eslint-disable @typescript-eslint/no-explicit-any */
-declare module 'ganache-cli' {
-  import 'jest-extended';
-  import type { Http2Server } from 'http2';
-  import type { ExternalProvider } from '@ethersproject/providers';
-
-  export interface GanacheServerOptions {
-    accounts?: { balance: string; secretKey?: string }[];
-    debug?: boolean;
-    blockTime?: number;
-    logger?: { log: (...args: any[]) => void };
-    mnemonic?: string;
-    port?: number;
-    seed?: string;
-    default_balance_ether?: number;
-    total_accounts?: number;
-    fork?: string;
-    fork_block_number?: string | number;
-    network_id?: number;
-    _chainIdRpc?: number;
-    _chainId?: number;
-    time?: Date;
-    locked?: boolean;
-    unlocked_accounts?: string[];
-    db_path?: string;
-    db?: any;
-    ws?: boolean;
-    account_keys_path?: string;
-    vmErrorsOnRPCResponse?: boolean;
-    hdPath?: string;
-    hardfork?: string;
-    allowUnlimitedContractSize?: boolean;
-    gasPrice?: string;
-    gasLimit?: string;
-    keepAliveTimeout?: number;
-  }
-
-  export interface Ganache {
-    provider(options?: GanacheServerOptions): ExternalProvider;
-    server(options?: GanacheServerOptions): Http2Server;
-  }
-
-  const ganache: Ganache;
-  export default ganache;
-}
+import 'jest-extended';
 
 declare module 'pouchdb-debug';