[RN] Kill some dead code

react/features/base/react/functions.native.js

@@ -1,53 +0,0 @@
-// @flow
-
-import { Dimensions } from 'react-native';
-
-import Platform from './Platform';
-
-const IPHONEX_HEIGHT = 812;
-const IPHONEX_WIDTH = 375;
-const IPHONE_OFFSET = 20;
-const IPHONEX_OFFSET = 44;
-
-/**
- * Determines the offset to be used for the device. This uses a custom
- * implementation to minimize empty area around screen, especially on iPhone X.
- *
- * @returns {number}
- */
-export function getSafetyOffset() {
-    if (Platform.OS === 'android') {
-        // Android doesn't need offset, except the Essential phone. Should be
-        // addressed later with a generic solution.
-        return 0;
-    }
-
-    return isIPhoneX() ? IPHONEX_OFFSET : IPHONE_OFFSET;
-}
-
-/**
- * Determines if the device is an iPad or not.
- *
- * @returns {boolean}
- */
-export function isIPad() {
-    const { height, width } = Dimensions.get('window');
-
-    return (
-        Platform.OS === 'ios'
-            && (Math.max(height, width) / Math.min(height, width)) < 1.6);
-}
-
-/**
- * Determines if it's an iPhone X or not.
- *
- * @returns {boolean}
- */
-export function isIPhoneX() {
-    const { height, width } = Dimensions.get('window');
-
-    return (
-        Platform.OS === 'ios'
-            && ((height === IPHONEX_HEIGHT && width === IPHONEX_WIDTH)
-                || (height === IPHONEX_WIDTH && width === IPHONEX_HEIGHT)));
-}