feat: update branding (#19719)

Co-authored-by: twwu <twwu@dify.ai>

web/app/components/base/logo/logo-site.tsx

@@ -1,22 +0,0 @@
-'use client'
-import type { FC } from 'react'
-import { WEB_PREFIX } from '@/config'
-import classNames from '@/utils/classnames'
-
-type LogoSiteProps = {
-  className?: string
-}
-
-const LogoSite: FC<LogoSiteProps> = ({
-  className,
-}) => {
-  return (
-    <img
-      src={`${WEB_PREFIX}/logo/logo.png`}
-      className={classNames('block w-[22.651px] h-[24.5px]', className)}
-      alt='logo'
-    />
-  )
-}
-
-export default LogoSite