Revert "PLU-311: [GSIB-2] reduce font size on gsib browser (#780)"

This reverts commit 2d069ad.

Author: m0nggh

packages/frontend/src/components/ThemeProvider/index.tsx

@@ -6,7 +6,6 @@ import {
 } from '@mui/material/styles'
 import { ThemeProvider as ChakraThemeProvider } from '@opengovsg/design-system-react'
 
-import { useDefaultZoom } from '@/hooks/useGovtBrowser'
 import materialTheme from '@/styles/theme'
 
 import { theme as chakraTheme } from '../../theme'
@@ -20,7 +19,6 @@ const ThemeProvider = ({
 }: ThemeProviderProps): React.ReactElement => {
   // This is a workaround to fix the issue of toasts appearing behind modal overlays
   const ref = useRef<HTMLDivElement>(null)
-  useDefaultZoom()
   return (
     <ChakraThemeProvider
       theme={chakraTheme}

packages/frontend/src/hooks/useGovtBrowser.ts

@@ -6,7 +6,7 @@
  * We check for existence of "menlo-view.menlosecurity.com" in window.name to determine if we should prepend the proxy url
  */
 
-import { useCallback, useEffect } from 'react'
+import { useCallback } from 'react'
 
 const isGovtBrowser = window.name?.includes('menlo-view.menlosecurity.com')
 
@@ -21,14 +21,4 @@ const useProxyUrl = () => {
   return { createProxiedUrl }
 }
 
-const useDefaultZoom = () => {
-  useEffect(() => {
-    if (!isGovtBrowser) {
-      return
-    }
-    // Set html font size to 14px
-    document.documentElement.style.fontSize = '14px'
-  }, [])
-}
-
-export { useDefaultZoom, useProxyUrl }
+export { useProxyUrl }