removed zapier nla credential

packages/components/credentials/ZapierNLAApi.credential.ts

@@ -1,24 +0,0 @@
-import { INodeParams, INodeCredential } from '../src/Interface'
-
-class ZapierNLAApi implements INodeCredential {
-    label: string
-    name: string
-    version: number
-    description: string
-    inputs: INodeParams[]
-
-    constructor() {
-        this.label = 'Zapier NLA API'
-        this.name = 'zapierNLAApi'
-        this.version = 1.0
-        this.inputs = [
-            {
-                label: 'Zapier NLA Api Key',
-                name: 'zapierNLAApiKey',
-                type: 'password'
-            }
-        ]
-    }
-}
-
-module.exports = { credClass: ZapierNLAApi }