fix(deep-linking) drop broken an unused setting

The showImage setting has been broken for about 2 years since the asset
is not there.

Fixes: https://github.com/jitsi/jitsi-meet/issues/5409
Ref: https://community.jitsi.org/t/error-nginx-usr-share-jitsi-meet-images-deep-linking-image-png-failed/120418

config.js

@@ -1083,9 +1083,6 @@ var config = {
     //     // whether to hide the logo on the deep linking pages.
     //     hideLogo: false,
 
-    //     // whether to show deeplinking image.
-    //     showImage: false,
-
     //     // The ios deeplinking config.
     //     ios: {
     //         appName: 'Jitsi Meet',

interface_config.js

@@ -195,8 +195,6 @@ var interfaceConfig = {
      */
     // MOBILE_DOWNLOAD_LINK_ANDROID: 'https://play.google.com/store/apps/details?id=org.jitsi.meet',
 
-    // SHOW_DEEP_LINKING_IMAGE: false,
-
     /**
      * Specify mobile app scheme for opening the app from the mobile browser.
      */

react/features/base/config/configType.ts

@@ -115,7 +115,6 @@ export interface IDeeplinkingConfig {
     disabled: boolean;
     hideLogo: boolean;
     ios?: IDeeplinkingMobileConfig;
-    showImage: boolean;
 }
 
 export interface IConfig {

react/features/base/config/configWhitelist.ts

@@ -82,7 +82,6 @@ export default [
     'debug',
     'debugAudioLevels',
     'deeplinking.disabled',
-    'deeplinking.showImage',
     'defaultLocalDisplayName',
     'defaultRemoteDisplayName',
     'deploymentUrls',

react/features/base/config/interfaceConfigWhitelist.ts

@@ -44,7 +44,6 @@ export default [
     'SETTINGS_SECTIONS',
     'SHARING_FEATURES',
     'SHOW_CHROME_EXTENSION_BANNER',
-    'SHOW_DEEP_LINKING_IMAGE',
     'SHOW_POWERED_BY',
     'SUPPORT_URL',
     'TILE_VIEW_MAX_COLUMNS',

react/features/base/config/reducer.ts

@@ -310,7 +310,6 @@ function _translateInterfaceConfig(oldValue: IConfig) {
             desktop: {} as IDeeplinkingPlatformConfig,
             hideLogo: false,
             disabled,
-            showImage: false,
             android: {} as IDeeplinkingMobileConfig,
             ios: {} as IDeeplinkingMobileConfig
         };
@@ -330,7 +329,6 @@ function _translateInterfaceConfig(oldValue: IConfig) {
             }
 
             deeplinking.hideLogo = Boolean(interfaceConfig.HIDE_DEEP_LINKING_LOGO);
-            deeplinking.showImage = interfaceConfig.SHOW_DEEP_LINKING_IMAGE;
             deeplinking.android = {
                 appName: interfaceConfig.NATIVE_APP_NAME,
                 appScheme: interfaceConfig.APP_SCHEME,

react/features/deep-linking/components/DeepLinkingMobilePage.web.js

@@ -105,7 +105,7 @@ class DeepLinkingMobilePage extends Component<Props> {
      */
     render() {
         const {
-            _deeplinkingCfg: { hideLogo, showImage },
+            _deeplinkingCfg: { hideLogo },
             _mobileConfig: { downloadLink, appName },
             _room,
             t,
@@ -145,14 +145,6 @@ class DeepLinkingMobilePage extends Component<Props> {
                     }
                 </div>
                 <div className = { `${_SNS}__body` }>
-                    {
-                        showImage
-                            ? <img
-                                alt = { t('welcomepage.logo.logoDeepLinking') }
-                                className = 'image'
-                                src = 'images/deep-linking-image.png' />
-                            : null
-                    }
                     <p className = { `${_SNS}__text` }>
                         { t(`${_TNS}.appNotInstalled`, { app: appName }) }
                     </p>