Fix lint errors

Author: Mrtenz

packages/snaps-simulation/src/middleware/internal-methods/switch-ethereum-chain.test.ts

@@ -1,11 +1,11 @@
-import type { Json, PendingJsonRpcResponse } from '@metamask/utils';
+import type { PendingJsonRpcResponse } from '@metamask/utils';
 
 import { getSwitchEthereumChainHandler } from './switch-ethereum-chain';
 
 describe('getSwitchEthereumChainHandler', () => {
   it('returns `null`', async () => {
     const end = jest.fn();
-    const result: PendingJsonRpcResponse<Json> = {
+    const result: PendingJsonRpcResponse = {
       jsonrpc: '2.0' as const,
       id: 1,
     };

packages/snaps-simulation/src/middleware/internal-methods/switch-ethereum-chain.ts

@@ -2,11 +2,7 @@ import type {
   JsonRpcEngineEndCallback,
   JsonRpcEngineNextCallback,
 } from '@metamask/json-rpc-engine';
-import type {
-  Json,
-  JsonRpcRequest,
-  PendingJsonRpcResponse,
-} from '@metamask/utils';
+import type { JsonRpcRequest, PendingJsonRpcResponse } from '@metamask/utils';
 
 /**
  * A mock handler for the `wallet_switchEthereumChain` method that always
@@ -22,7 +18,7 @@ import type {
  */
 export async function getSwitchEthereumChainHandler(
   _request: JsonRpcRequest,
-  response: PendingJsonRpcResponse<Json>,
+  response: PendingJsonRpcResponse,
   _next: JsonRpcEngineNextCallback,
   end: JsonRpcEngineEndCallback,
 ) {