refactor(theme): remove widget mode flags from ThemeProvider

apps/explorer/src/theme/ThemeProvider.tsx

@@ -1,6 +1,5 @@
 import React, { PropsWithChildren, useMemo } from 'react'
 
-import { isIframe, isInjectedWidget } from '@cowprotocol/common-utils'
 import { baseTheme } from '@cowprotocol/ui'
 
 // eslint-disable-next-line no-restricted-imports
@@ -11,16 +10,6 @@ import { getFonts, getThemePalette } from './styles'
 
 import { useThemeMode } from '../hooks/useThemeManager'
 
-// These values are static and don't change during runtime
-const isWidget = isInjectedWidget()
-const widgetMode = {
-  isWidget,
-  isIframe: isIframe(),
-  // TODO: isInjectedWidgetMode is deprecated, use isWidget instead
-  // This alias is kept for backward compatibility with styled components
-  isInjectedWidgetMode: isWidget,
-}
-
 export const ThemeProvider = ({ children }: PropsWithChildren) => {
   const mode = useThemeMode()
 
@@ -33,8 +22,6 @@ export const ThemeProvider = ({ children }: PropsWithChildren) => {
       // Compute the app colour pallette using the passed in themeMode
       ...themePalette,
       ...fontPalette,
-      // Add widget mode flags
-      ...widgetMode,
     }
 
     return computedTheme