refactor: remove cli generated header (#2958)

.changeset/fast-mayflies-sleep.md

@@ -0,0 +1,5 @@
+---
+"@wagmi/cli": patch
+---
+
+Removed generated file header

packages/cli/src/commands/generate.test.ts

@@ -138,8 +138,7 @@ describe('generate', () => {
     await expect(
       readFile(resolve(dir, 'generated.ts'), 'utf8'),
     ).resolves.toMatchInlineSnapshot(`
-      "// Generated by @wagmi/cli@x.y.z on 1/30/2023 at 12:00:00 PM
-      /* imports test */
+      "/* imports test */
 
       /* prepend test */
 

packages/cli/src/commands/generate.ts

@@ -11,7 +11,6 @@ import pc from 'picocolors'
 import { type Address, getAddress } from 'viem'
 import { z } from 'zod'
 
-import { version as packageVersion } from '../../package.json'
 import type { Contract, ContractConfig, Plugin, Watch } from '../config'
 import { fromZodError } from '../errors'
 import * as logger from '../logger'
@@ -374,7 +373,6 @@ async function writeContracts({
 }) {
   // Assemble code
   let code = dedent`
-    // Generated by @wagmi/cli@${packageVersion} on ${new Date().toLocaleDateString()} at ${new Date().toLocaleTimeString()}
     ${imports.join('\n\n') ?? ''}
 
     ${prepend.join('\n\n') ?? ''}

packages/cli/test/setup.ts

@@ -67,11 +67,3 @@ vi.mock('picocolors', async () => {
     },
   }
 })
-
-vi.mock('../package.json', async () => {
-  const packageJson = vi.importActual('../package.json')
-  return {
-    ...packageJson,
-    version: 'x.y.z',
-  }
-})